What are causes.

cause. That which produces an effect or condition; that by which a morbid change or disease is brought about.Overview A muscle cramp is a sudden, unexpected tightening of one or more muscles. Sometimes called a charley horse, a muscle cramp can be very painful. Exercising or working hard, especially in heat, can lead to muscle cramps. Some medicines and illnesses also might cause muscle cramps. Muscle cramps aren't usually harmful.cause: 1 n events that provide the generative force that is the origin of something “they are trying to determine the cause of the crash” Types: show 12 types... hide 12 types...A seizure is a condition where brain cells malfunction and send electrical signals uncontrollably. That causes symptoms affecting other parts of your brain and your body. Everyone can have seizures, but some people can have them more easily for various reasons. Seizures are often treatable, especially depending on the underlying cause.

Dec 9, 2020 · The top global causes of death, in order of total number of lives lost, are associated with three broad topics: cardiovascular (ischaemic heart disease, stroke), respiratory (chronic obstructive pulmonary disease, lower respiratory infections) and neonatal conditions – which include birth asphyxia and birth trauma, neonatal sepsis and infections, and preterm birth complications. Sep 14, 2023 · Many famines are precipitated by natural causes, such as drought, flooding, unseasonable cold, typhoons, vermin depredations, insect infestations, and plant diseases. The most common human cause of famine is warfare, which destroys crops and food supplies and disrupts the distribution of food. Some have argued that a less proximate …

... cause of infectious diseases and cancer, upon hyperreaction the cause of autoimmunity and allergy. Details to the individual research projects you will find ...By Mayo Clinic Staff Most of the time fatigue can be traced to one or more lifestyle issues, such as poor sleep habits or lack of exercise. Fatigue can be caused by a medicine or linked to depression. Sometimes fatigue is a symptom of an illness that needs treatment. Lifestyle factors Fatigue may be related to: Alcohol or drug use Eating poorly

The location and severity of knee pain may vary, depending on the cause of the problem. Signs and symptoms that sometimes accompany knee pain include: Swelling and stiffness. Redness and warmth to the touch. Weakness or instability. Popping or crunching noises. Inability to fully straighten the knee.26.10.2020 ... The main difference between cause and reason is that cause is something that brings about an effect, while reason is a motive or ...04.04.2016 ... One of the things that has formed part of my syllabus with medical students is asking them about the cause of malaria.26.10.2020 ... The main difference between cause and reason is that cause is something that brings about an effect, while reason is a motive or ...Causes. Like many mental health disorders, several factors may contribute to development of drug addiction. The main factors are: Environment. Environmental factors, including your family's beliefs and attitudes and exposure to a peer group that encourages drug use, seem to play a role in initial drug use.

Jan 10, 2022 · Rather, there are many possible causes of depression, including faulty mood regulation by the brain, genetic vulnerability, and stressful life events. It's believed that several of these forces interact to bring on depression.

Intestinal obstruction is a blockage that keeps food or liquid from passing through your small intestine or large intestine (colon). Causes of intestinal obstruction may include fibrous bands of tissue (adhesions) in the abdomen that form after surgery; hernias; colon cancer; certain medications; or strictures from an inflamed intestine caused by certain conditions, such as Crohn's disease or ...

Oct 14, 2021 · Other dehydration causes include: Diarrhea, vomiting. Severe, acute diarrhea — that is, diarrhea that comes on suddenly and violently — can cause a tremendous loss of water and electrolytes in a short amount of time. If you have vomiting along with diarrhea, you lose even more fluids and minerals. Fever. Scientists believe a combination of genetic and environmental factors are the cause of Parkinson’s disease (PD). PD is an extremely diverse disorder. While no two people experience Parkinson’s the same way, there are some commonalities. Parkinson’s affects about one million people in the U.S. and 10 million worldwide. Blurred vision. Confusion. Discolored (blue, purple, gray-green, grey or white) skin tone from lack of oxygen ( cyanosis ). Headache. Shortness of breath ( dyspnea ). Wheezing. If you don’t treat respiratory acidosis or if you have a severe case, your symptoms may include: Feeling extremely tired ( fatigue ).May 13, 2022 · Heartburn occurs more than twice a week. Symptoms persist despite use of nonprescription medications. You have difficulty swallowing. You have persistent nausea or vomiting. You have weight loss because of poor appetite or difficulty eating. Request an appointment. Causes of lightheadedness may be dehydration, medication side effects, sudden blood pressure drops, low blood sugar, and heart disease or stroke. Feeling woozy, lightheaded, or a little faint is a common complaint among older adults. Although it's not usually caused by anything life-threatening, it could be, so you need to be careful.cause definition: 1. the reason why something, especially something bad, happens: 2. a reason to feel something or…. Learn more. Symptoms. Symptoms vary based on the type of seizure. They also can range from mild to severe. Seizure symptoms may include: Temporary confusion. A staring spell. Jerking movements of the arms and legs that can't be controlled. Loss of consciousness or awareness. Cognitive or emotional changes.

An earthquake is caused by a sudden slip on a fault. The tectonic plates are always slowly moving, but they get stuck at their edges due to friction. When the stress on the edge overcomes the friction, there is an earthquake that releases energy in waves that travel through the earth's crust and cause the shaking that we feel. In California there are two …Gastrointestinal infections, such as those caused by food poisoning or viruses, are among the most common reasons for nausea. Symptoms may include: nausea. stomach pain or cramping. vomiting ...Causes. By Mayo Clinic Staff. Any part of the foot can be injured or overused. Some illnesses cause foot pain, as well. For example, arthritis is a common cause of foot pain. Common causes of foot pain include: Achilles tendinitis. Achilles tendon rupture. Avulsion fracture.Most come from the combustion of fossil fuels in cars, buildings, factories, and power plants. The gas responsible for the most warming is carbon dioxide, or CO2. Other contributors include ...Jul 19, 2023 · A stomach bug and pregnancy are the most common causes of nausea. Still, several other reasons, like anxiety, GERD, pain relievers, and motion sickness, may cause nausea. You may alleviate and ...

Causes. Suicidal thoughts have many causes. Most often, suicidal thoughts are the result of feeling like you can't cope when you're faced with what seems to be an overwhelming life situation. If you don't have hope for the future, you may mistakenly think suicide is a solution.

There is no one single cause for cancer. Learn about the various possible causes, including risk factors and how genes affect cancer growth.Overview Cancer refers to any one of a large number of diseases characterized by the development of abnormal cells that divide uncontrollably and have the ability to infiltrate and destroy normal body tissue. Cancer often has the ability to spread throughout your body. Cancer is the second-leading cause of death in the world.shortness of breath. pain in your arm, shoulder, or neck. nausea. sweating. lightheadedness or dizziness. fatigue. upper body pain. trouble breathing. Anyone experiencing any of the above heart ...Some general signs and symptoms associated with, but not specific to, cancer, include: Fatigue. Lump or area of thickening that can be felt under the skin. Weight changes, including unintended loss or gain. Skin changes, such as yellowing, darkening or redness of the skin, sores that won't heal, or ...Aug 30, 2023 · The exact causes of Alzheimer's disease aren't fully understood. But at a basic level, brain proteins fail to function as usual. This disrupts the work of brain cells, also called neurons, and triggers a series of events. The neurons become damaged and lose connections to each other. They eventually die. Overview A seizure is a sudden, uncontrolled burst of electrical activity in the brain. It can cause changes in behavior, movements, feelings and levels of consciousness. Having two or more seizures at least 24 hours apart that don't have a known cause is considered to be epilepsy.Volcanoes erupt because of the way heat moves beneath Earth ’s surface. Heat is conveyed from the planet’s interior to its surface largely by convection —the transfer of heat by movement of a heated fluid. In this case, the fluid is magma —molten or partially molten rock —which is formed by the partial melting of Earth's mantle and ...

Gout is a common and complex form of arthritis that can affect anyone. It's characterized by sudden, severe attacks of pain, swelling, redness and tenderness in one or more joints, most often in the big toe. An attack of gout can occur suddenly, often waking you up in the middle of the night with the sensation that your big toe is on fire.

Oct 8, 2022 · Acne is a skin condition that occurs when your hair follicles become plugged with oil and dead skin cells. It causes whiteheads, blackheads or pimples. Acne is most common among teenagers, though it affects people of all ages. Effective acne treatments are available, but acne can be persistent. The pimples and bumps heal slowly, and when one ...

Problems with alcohol or drug use. Major changes in eating habits. Sex drive changes. Excessive anger, hostility or violence. Suicidal thinking. Sometimes symptoms of a mental health disorder appear as physical problems, such as stomach pain, back pain, headaches, or other unexplained aches and pains.a. : a reason for an action or condition : motive. b. : something that brings about an effect or a result. trying to find the cause of the accident. c. : a person or thing that is the occasion of an action or state. a cause for celebration. especially : an agent that brings something about.When treated promptly and properly, lower urinary tract infections rarely lead to complications. But left untreated, UTIs can cause serious health problems. Complications of a UTI may include: Repeated infections, which means you have two or more UTIs within six months or three or more within a year. Women are especially prone to having ...Carbon dioxide, methane, and nitrous oxide concentrations are now more abundant in the earth’s atmosphere than any time in the last 800,000 years. 5 These greenhouse gas emissions have increased the greenhouse effect and caused the earth’s surface temperature to rise. Burning fossil fuels changes the climate more than any other human activity.The leading causes of death varied between younger and older children. Among children 1 to 4 years of age, drowning was the most common cause of death, followed by congenital abnormalities and ...Genetic Factors. Brain Structure. Societal Factors. Environmental Triggers. The Diathesis-Stress Model. Nobody knows absolutely what causes bipolar disorder. Studies suggest there is a genetic component present, but DNA isn't the only reason people develop bipolar disorder. Most researchers agree that there are likely brain and …Summary. Possible causes of low blood pressure, or hypotension, range from dehydration to a heart condition. Drinking more water may help, but some people will need medication. Low blood pressure ...The top three leading causes of death in the United States are now: Heart disease; Cancer; COVID-19. Preventable injuries continue to be the leading cause of ...When you have chest pain, your first thought may be that it's a heart attack. However, other less serious conditions can also cause chest pain.shortness of breath. pain in your arm, shoulder, or neck. nausea. sweating. lightheadedness or dizziness. fatigue. upper body pain. trouble breathing. Anyone experiencing any of the above heart ...

Coronaviruses are a group of viruses that can cause disease in both animals and humans. The severe acute respiratory syndrome (SARS) virus strain known as SARS-CoV is an example of a coronavirus ...The most common symptom is swelling. Swelling may develop slowly. You may not notice unusual swelling in lymphedema’s early stages. Swelling from lymphedema may also come on suddenly. Other lymphedema symptoms you may notice include: You can’t see or feel the veins or tendons in your hands and feet.Some common causes include: Food poisoning or stomach flu Gastrointestinal infections, such as those caused by food poisoning or viruses, are among the most common reasons for nausea. Symptoms...cause: 1 n events that provide the generative force that is the origin of something “they are trying to determine the cause of the crash” Types: show 12 types... hide 12 types...Instagram:https://instagram. scot nbaembiid basketball playersingle story houses for sale near mebiology study abroad programs Logging – cutting of trees for use as raw material. Mining and urban expansion – clearing of forest area for the construction of infrastructure. According to the secretariat of the UNFCCC (United Nations Framework Convention on Climate Change), agriculture is the root cause of 80% of deforestation.It considers the causes of rising near-surface air temperatures, the influencing factors, the process of climate research and forecasting, and the possible … sap concur expense appwhich state is the flattest Causes. By Mayo Clinic Staff. Any part of the foot can be injured or overused. Some illnesses cause foot pain, as well. For example, arthritis is a common cause of foot pain. Common causes of foot pain include: Achilles tendinitis. Achilles tendon rupture. Avulsion fracture.Unintentional weight loss has many different causes. It might be caused by a stressful event like a divorce, losing a job, or the death of a loved one. It can also be caused by malnutrition, a health condition or a combination of things. mental health conditions, such as depression, anxiety, eating disorders and obsessive compulsive disorder (OCD) boycottin Food allergies. Appendicitis. Kidney stones. A urinary tract infection. Diverticulitis. Abdominal aortic aneurysm (swelling in the belly’s main artery) Bowel blockage or obstruction. Cancer of ...Nystagmus (ni-stag-muhs) is a condition in which your eyes make rapid, repetitive, uncontrolled movements — such as up and down (vertical nystagmus), side to side (horizontal nystagmus) or in a circle (rotary nystagmus). These eye movements can cause problems with your vision, depth perception, balance and coordination.Jan 10, 2022 · Rather, there are many possible causes of depression, including faulty mood regulation by the brain, genetic vulnerability, and stressful life events. It's believed that several of these forces interact to bring on depression. To be sure, chemicals are involved in this process, but it is not a simple matter of one chemical being too low and ...