Alina Bradford

Most sexually active men and women will contract HPV at some point in their lives. So, yes, you should probably get the vaccine.

Mumps is an unpleasant and highly contagious disease, but a simple two-dose vaccine is 88% effective against the infection.

Prior its eradication in 1980, smallpox killed hundreds of millions of people globally.

Giant pandas, known for their distinctive markings and playful personalities, are considered China's national treasure.

A carnivore is an animal or plant that eats the flesh of animals.

The Romani ethnic group have unique customs, spiritual beliefs and cultural traditions.

Sloths spend most of their time sleeping and eating in the tropical rainforests of South and Central America.

Chickenpox is a viral infection that's easily prevented by a highly effective vaccine.

There are more than 1,300 species of these unique nocturnal mammals.

The small intestine is about as big around as a middle finger, but it is about 22 feet (6.7 meters) long.

Strep throat is a bacterial infection. It is very contagious and can lead to severe complications.

Pink eye, or conjunctivitis, develops when the blood vessels in the eyeball get inflamed by a virus, bacteria, foreign object or allergic reaction.

Pigs are mammals with stocky bodies, flat snouts, small eyes and large ears. They are highly intelligent, social animals, and are found all over the world.

Today's dazzling displays of pyrotechnics began as a simple pop.

Wildfires burn millions of acres every year, and they are increasing in frequency and duration.

Rainforests are vitally important, producing most of the oxygen we breathe and providing habitat for half of the planet's plants and animals.

A number of different things can affect the color of your teeth and turn them yellow.

CRE are a type of bacteria that have become resistant to most antibiotics. Infections usually occur in health care settings.

Diverticulitis can cause problems with bowel movements and a can cause severe and sudden pain in the abdomen.

Vitamin B5, also called pantothenic acid and pantothenate, is vital to living a healthy life. Like all B vitamins, it helps the body turn food into energy.

Carpal tunnel syndrome is a nerve-related condition that causes pain and numbness in the wrists and hands.

Blood sugar, or glucose, is the main sugar found in blood. It is an important source of energy and provides nutrients to the body.

Chronic obstructive pulmonary disease (COPD) is a chronic lung disease that makes breathing progressively more difficult. It affects about 11 million people in the United States.

Trepanation is the ancient practice of drilling a hole in the skull. It is one of the oldest medical procedures known to the human race.

The thymus is the source of T-cells. The body uses T-cells to help destroy infected or cancerous cells.