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Air pollution refers to any physical, chemical or biological change in the air. It is the contamination of air by harmful gases, dust and smoke which affects plants, animals and humans drastically. There is a certain percentage of gases present in the atmosphere. An increase or decrease in the composition of these gases is harmful to survival.Apr 5, 2023 · 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. Possible causes of hair loss include: 1. Androgenetic alopecia. Possible causes of hair loss include androgenetic alopecia, pregnancy, and telogen effluvium. Androgenetic alopecia is another term ...Agoraphobia (ag-uh-ruh-FOE-be-uh) is a type of anxiety disorder in which you fear and often avoid places or situations that might cause you to panic and make ...Jul 17, 2023 · Some types of tests and treatments may actually increase a person's risk of developing cancer. Get the facts about possible links between certain medical procedures and cancer. Learn about the causes of cancer and what you can do to help reduce your cancer risk by making healthy choices like eating right, staying active, and not smoking.The cause of low blood pressure isn't always clear. It may be linked to: Pregnancy; Hormonal problems such as an underactive thyroid (hypothyroidism), diabetes, or low blood sugar (hypoglycemia)Show transcript. A migraine is a headache that can cause severe throbbing pain or a pulsing sensation, usually on one side of the head. It's often accompanied by nausea, vomiting, and extreme sensitivity to light and sound. Migraine attacks can last for hours to days, and the pain can be so bad that it interferes with your daily activities.Possible causes of hair loss include: 1. Androgenetic alopecia. Possible causes of hair loss include androgenetic alopecia, pregnancy, and telogen effluvium. Androgenetic alopecia is another term ...We asked whether the available evidence - including the size of the explosion and the sounds heard beforehand - could be used to determine the cause of the hospital blast. So far, the findings are ...Chronic sinusitis. Excessive alcohol use. Habitual overuse of your voice (such as in singers or cheerleaders) Smoking. Less common causes of chronic laryngitis include: Bacterial or fungal infections. Infections with certain parasites. Other causes of chronic hoarseness include: Cancer.Poison. Being slowly poisoned can lead to hair loss. Poisons that can cause hair loss include arsenic, thallium, mercury, and lithium. If you ingest a large amount of warfarin, which is found in rat poisons, it can also cause hair loss. Taking large amounts of vitamin A or selenium is also toxic and can cause hair loss. A urinary tract infection (UTI) is an infection in any part of your urinary system: kidneys, bladder, ureters, and urethra. Learn about the symptoms, causes, and treatment of UTIs at WebMD.Learn the types, causes, treatments, and prevention methods. Cancer is a group of diseases that occur when abnormal cells divide rapidly and spread. Learn the …Overview Colon and small intestine Enlarge image Diarrhea — loose, watery and possibly more-frequent bowel movements — is a common problem. Sometimes, it's the only symptom. At other times, it may be associated with other symptoms, such as nausea, vomiting, abdominal pain or weight loss.Spondylolysis. Spondylolysis is a small crack between two vertebrae (the bones in your spine). Spondylolysis usually causes lower back pain. Most people don’t need surgery to treat it. Rest, medication and physical therapy are most successful when started early, so visit a healthcare provider if you or your child have back pain.Panic attacks have many variations, but symptoms usually peak within minutes. You may feel fatigued and worn out after a panic attack subsides. Panic attacks typically include some of these signs or symptoms: Sense of impending doom or danger. Fear of loss of control or death. Rapid, pounding heart rate. Sweating.Other common causes of dizziness include a migraine attack or alcohol. Dizziness can also result from a problem in the inner ear, which is the area that senses movement and regulates balance ...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 ...Air pollution refers to any physical, chemical or biological change in the air. It is the contamination of air by harmful gases, dust and smoke which affects plants, animals and humans drastically. There is a certain percentage of gases present in the atmosphere. An increase or decrease in the composition of these gases is harmful to survival.People who experience lightheadedness feel dizzy or faint. This sensation is particularly common after standing up too quickly. Learn about the other possible causes and treatment options in this ...These include panic attacks and a fear of leaving home or being in large, open spaces (agoraphobia). Low iron levels (anemia). Other signs and symptoms that may occur along with dizziness if you have anemia include fatigue, weakness and pale skin. Low blood sugar (hypoglycemia).Oct 19, 2023 · 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 ...A sporadic (occurs by chance) cell change or mutation is usually what causes childhood cancer. In adults, the type of cell that becomes cancerous is usually an epithelial cell. Epithelial cells line the body cavity and cover the body surface. Cancer occurs from environmental exposures to these cells over time.cause definition: 1. the reason why something, especially something bad, happens: 2. a reason to feel something or…. Learn more.Signs and symptoms of balance problems include: Sense of motion or spGastrointestinal infections, such as those cause Find out the possible causes of tremors in your hands, such as Parkinson's disease, multiple sclerosis, and overactive thyroid, and learn what you can do about it.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. Tremor causes. Tremor is a symptom, rather than a me Bad breath can be caused by surgical wounds after oral surgery, such as tooth removal, or as a result of tooth decay, gum disease or mouth sores. Other mouth, nose and throat conditions. Bad breath can occasionally stem from small stones that form in the tonsils and are covered with bacteria that produce odor. Dec 9, 2020 · The top global causes of death, in order of

Oct 20, 2023 · Symptoms. Symptoms of constipation include: Fewer than three stools a week. Hard, dry or lumpy stools. Straining or pain when passing stools. A feeling that not all stool has passed. A feeling that the rectum is blocked. The need to use a finger to pass stool. Chronic constipation is having two or more of these symptoms for three months or longer. Reduced appetite and weight loss or increased cravings for food and weight gain. Anxiety, agitation or restlessness. Slowed thinking, speaking or body movements. Feelings of worthlessness or guilt, fixating on past failures or self-blame. Trouble thinking, concentrating, making decisions and remembering things.Injury to the face can cause the bone in the nose to break. The trauma can also cause facial swelling and other symptoms, such as: a crooked nose. bruising. nosebleed. pain. Broken noses do not ...These interferons cause inflammation that reduces the absorption of the amino acid tryptophan in the gastrointestinal (GI) tract. Tryptophan is a building block for …

Some causes of low blood flow to the brain include blood clots, clogged arteries, heart failure, and an irregular heartbeat. For many older people, standing suddenly can cause a sharp drop in ... Apr 5, 2023 · They share many similar symptoms, such as muscle tension, moodiness, and sleep, concentration, and digestive problems. In fact, overwhelming stress can even lead to anxiety and panic attacks. However, stress is often caused by a specific trigger or “stressor,” such as work pressure, a break-up, or financial problems.The most common causes of pleuritic chest pain are bacterial or viral infections, pulmonary embolism, and pneumothorax. Other less common causes include rheumatoid arthritis, lupus, and cancer ...…

Reader Q&A - also see RECOMMENDED ARTICLES & FAQs. You usually can’t feel your spleen with your hand, unless . Possible cause: Most come from the combustion of fossil fuels in cars, buildings, factor.