Mayoclinic.org

Norovirus infection - Symptoms & causes

Norovirus infection - Symptoms & causes

Signs and symptoms of norovirus infection may start suddenly and include: Nausea; Vomiting; Stomach pain or cramps; Watery or loose diarrhea; Feeling ill; Low- ...

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Hepatitis B - Symptoms and causes

Hepatitis B - Symptoms and causes

Hepatitis B is a serious liver infection caused by the hepatitis B virus (HBV). For most people, hepatitis B is short term, also called acute.

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Brain MRI (brain magnetic resonance imaging)

Brain MRI (brain magnetic resonance imaging)

Why it's done. Brain MRI is done to test for a number of different conditions, and to figure out the cause of a variety of symptoms. A ...

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Hair loss - Symptoms and causes

Hair loss - Symptoms and causes

19 Jan 2024 — Anyone can lose hair on their head, but it's more common in men. Baldness typically refers to excessive hair loss from your scalp. Hereditary ...

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Hair loss - Diagnosis and treatment

Hair loss - Diagnosis and treatment

Medication · Minoxidil (Rogaine). Over-the-counter (nonprescription) minoxidil comes in liquid, foam and shampoo forms. · Finasteride (Propecia).

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Hepatitis A - Diagnosis and treatment

Hepatitis A - Diagnosis and treatment

No specific treatment exists for hepatitis A. Your body will clear the hepatitis A virus on its own. In most cases of hepatitis A, the liver heals within six ...

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Fetal development: The second trimester

Fetal development: The second trimester

By now, your baby might be about 8 1/4 inches (210 millimeters) long from crown to rump and weigh more than 1 1/3 pounds (630 grams). Fetus 23 ...

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MRI

MRI

Functional MRI can be used to examine the brain's anatomy and show which parts of the brain are handling critical functions, language and ...

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Cirrhosis - Symptoms and causes

Cirrhosis - Symptoms and causes

Cirrhosis is advanced scarring of the liver caused by many diseases and conditions, including hepatitis or alcohol use disorder.

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Cirrhosis - Diagnosis and treatment

Cirrhosis - Diagnosis and treatment

Based on history and blood test results, a medical professional may be able to diagnose the underlying cause of cirrhosis. Blood tests also ...

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Chronic sinusitis - Symptoms and causes

Chronic sinusitis - Symptoms and causes

Chronic sinusitis causes the spaces inside the nose and head, called sinuses, to become inflamed and swollen. The condition lasts 12 weeks or longer, even with ...

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Acute lymphocytic leukemia - Symptoms and causes

Acute lymphocytic leukemia - Symptoms and causes

Learn about this cancer that forms in the blood and bone marrow. Treatments include medications and bone marrow transplant.

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CT scan

CT scan

A computerized tomography scan, also called a CT scan, is a type of imaging that uses X-ray techniques to create detailed images of the body ...

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History of COVID-19: Outbreaks and vaccine timeline

History of COVID-19: Outbreaks and vaccine timeline

Learn about the COVID-19 pandemic as well as mRNA research, COVID-19 tests and treatments, and COVID-19 vaccine development and approval.

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Alcohol use: Weighing risks and benefits

Alcohol use: Weighing risks and benefits

Drinking alcohol in any amount carries a health risk. While the risk is low for moderate intake, the risk goes up as the amount you drink goes up.

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Hepatitis a and hepatitis b vaccine (intramuscular route)

Hepatitis a and hepatitis b vaccine (intramuscular route)

This vaccine is usually given as 3 or 4 doses. The first 2 doses are given at least 1 month (for patients receiving 3 doses) or 7 days apart ( ...

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Alcohol intolerance - Symptoms & causes

Alcohol intolerance - Symptoms & causes

Alcohol intolerance can cause immediate reactions after you drink alcohol. The most common reactions are stuffy nose and flushed skin. The only way to prevent ...

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DASH diet: Sample menus

DASH diet: Sample menus

Breakfast · 1 cup mixed fruit such as melon and grapes. · 1/2 whole-wheat bagel. · 1 tablespoon natural peanut butter. · 1 cup skim milk. · Coffee, tea or water.

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DASH diet recipes

DASH diet recipes

Main dish recipes · 6-grain hot cereal · Asian pork tenderloin · Baba ghanoush · Baked chicken and wild rice with onion and tarragon · Baked cod with lemon and ...

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Hypothermia - Symptoms and causes

Hypothermia - Symptoms and causes

Hypothermia is a condition that occurs when core body temperature drops below 95 degrees Fahrenheit (35 degrees Celsius). It is a medical emergency.

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Guillain-Barre syndrome - Symptoms and causes

Guillain-Barre syndrome - Symptoms and causes

The exact cause of Guillain-Barre syndrome isn't known. It usually appears days or weeks after a respiratory or digestive tract infection. ...

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Leukemia - Symptoms and causes

Leukemia - Symptoms and causes

Leukemia is cancer of the body's blood-forming tissues, including the bone marrow and the lymphatic system. Many types of leukemia exist.

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Water: How much should you drink every day?

Water: How much should you drink every day?

About 15.5 cups (3.7 liters) of fluids a day for men; About 11.5 cups (2.7 liters) of fluids a day for women. These recommendations cover fluids from water, ...

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Rabies - Symptoms & causes

Rabies - Symptoms & causes

The rabies virus is usually transmitted through a bite. Animals most likely to transmit rabies in the United States include bats, coyotes, foxes, raccoons and ...

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Hepatitis B - Diagnosis and treatment

Hepatitis B - Diagnosis and treatment

Treatment for acute HBV infection · Rest. · Proper nutrition. · Plenty of fluids. · Close monitoring while your body fights the infection.

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Hepatitis A - Symptoms and causes

Hepatitis A - Symptoms and causes

You're most likely to get hepatitis A from contaminated food or water or from close contact with a person or object that's infected. Mild cases ...

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Influenza (flu) - Symptoms and causes

Influenza (flu) - Symptoms and causes

Flu, also called influenza, is an infection of the nose, throat and lungs, which are part of the respiratory system. The flu is caused by a virus.

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Hepatitis a vaccine (intramuscular route) - Side effects & uses

Hepatitis a vaccine (intramuscular route) - Side effects & uses

This vaccine is given as a shot into one of your muscles, usually in the thigh or upper arm. This vaccine is usually given as 2 doses. After the ...

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Vascular cognitive impairment and vascular dementia

Vascular cognitive impairment and vascular dementia

18 Sept 2025 — MRI generally is the preferred imaging test to diagnose vascular cognitive impairment. MRI results can provide more detail than CT scans about ...

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Cancer - Symptoms and causes

Cancer - Symptoms and causes

Find out the basics about cancer, including symptoms, causes and treatments. Learn steps you can take to prevent cancer.

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DASH diet: Healthy eating to lower your blood pressure

DASH diet: Healthy eating to lower your blood pressure

DASH stands for Dietary Approaches to Stop Hypertension. The DASH diet is a healthy-eating plan designed to help prevent or treat high blood ...

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