What is oxygen? Oxygen is a gas that your body needs to work properly. Your cells need oxygen to make energy. Your lungs absorb oxygen from the air you breathe. The oxygen enters your blood from your lungs and travels to your organs and body tissues. Certain medical conditions can cause your blood oxygen levels […]
Health Answer Category: General
What is Rabies?
Rabies is a deadly animal disease caused by a virus. It can happen in wild animals, including raccoons, skunks, bats and foxes, or in dogs, cats or farm animals. People get it from the bite of an infected animal. In people, symptoms of rabies include fever, headache and fatigue, then confusion, hallucinations and paralysis. Once the symptoms […]
What is Hydrocephalus?
Hydrocephalus is the buildup of too much cerebrospinal fluid in the brain. Normally, this fluid cushions your brain. When you have too much, though, it puts harmful pressure on your brain. Hydrocephalus can be congenital, or present at birth. Causes include genetic problems and problems with how the fetus develops. An unusually large head is […]
What is Hurricanes?
A hurricane is a severe type of tropical storm. Hurricanes produce high winds, heavy rains and thunderstorms. Hurricanes can cause tremendous damage. Winds can exceed 155 miles per hour. Hurricanes and tropical storms can also spawn tornadoes and lead to flooding. The high winds and heavy rains can destroy buildings, roads and bridges, and knock down power lines […]
What is Hysterectomy ?
A hysterectomy is surgery to remove a woman’s uterus or womb. The uterus is the place where a baby grows when a woman is pregnant. After a hysterectomy, you no longer have menstrual periods and can’t become pregnant. Sometimes the surgery also removes the ovaries and fallopian tubes. If you have both ovaries taken out, […]
What is Hypoglycemia?
Hypoglycemia means low blood glucose, or blood sugar. Your body needs glucose to have enough energy. After you eat, your blood absorbs glucose. If you eat more sugar than your body needs, your muscles, and liver store the extra. When your blood sugar begins to fall, a hormone tells your liver to release glucose. In most […]
What are Skin Pigmentation Disorders ?
Pigmentation means coloring. Skin pigmentation disorders affect the color of your skin. Your skin gets its color from a pigment called melanin. Special cells in the skin make melanin. When these cells become damaged or unhealthy, it affects melanin production. Some pigmentation disorders affect just patches of skin. Others affect your entire body. If your […]
What are Parathyroid Disorders ?
Most people have four pea-sized glands, called parathyroid glands, on the thyroid gland in the neck. Though their names are similar, the thyroid and parathyroid glands are completely different. The parathyroid glands make parathyroid hormone (PTH), which helps your body keep the right balance of calcium and phosphorous. If your parathyroid glands make too much […]
What is Kidney Cancer ?
You have two kidneys. They are fist-sized organs on either side of your backbone above your waist. The tubes inside filter and clean your blood, taking out waste products and making urine. Kidney cancer forms in the lining of tiny tubes inside your kidneys. Kidney cancer becomes more likely as you age. Risk factors include […]
What is Potassium?
Potassium is a mineral that your body needs to work properly. It is a type of electrolyte. It helps your nerves to function and muscles to contract. It helps your heartbeat stay regular. It also helps move nutrients into cells and waste products out of cells. A diet rich in potassium helps to offset some of sodium’s harmful effects on […]