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Glomerulonephritis What is glomerulonephritis? When the kidneys' filters (glomeruli) become inflamed and scarred, it is called glomerulonephritis. The kidneys slowly lose their ability to remove wastes and excess fluid from the blood to make urine. How to say it gloh-MAYR-yoo-loh

Immune System Disorders Your immune system is your body’s defense against infections and other harmful invaders. Without it, you would constantly get sick from germs, such as bacteria or viruses. Your immune system is made up of special cells, tissues, and organs that work

Cancer Risks for Gay and Bisexual Males Gay and bisexual males are at higher risk for certain kinds of cancer. The cancers you should know about are covered here. There are things you can do to help lower your risk for many of these cancers. You may even be able to keep them from

Peanut Allergy Diet for Children General guidelines for peanut allergy When your child has a food allergy, they must follow an allergy-free diet. This means your child can't have the food they're allergic to or any products that contain it. The items that your child is allergic

Smoking and Respiratory Diseases Fast facts According to the CDC: More than 16 million Americans are living with a disease caused by smoking. Across the world, tobacco causes more than 7 million deaths per year. Smoking causes cancer, heart disease, stroke, lung diseases

Preventing Eye Injuries in Children Eye injuries affect about 2.4 million people every year. Household products cause more than 125,000 serious eye injuries. Hospital emergency rooms treat nearly 23,000 victims of eye injuries from sports. Toys and home playground equipment cause

Medical Genetics: Types of Genetic Changes The human body has about 20,000 different genes in each cell. Genes are located on chromosomes, which are stick-shaped structures in the middle of the cell (nucleus). Each cell usually has 46 chromosomes grouped in 23 pairs. Each gene

Tree Nut Allergy Diet for Children General guidelines for tree nut allergy When your child has a food allergy, they must follow an allergy-free diet. This means your child can't have the food they are allergic to, or any products containing that food. The items that your child is

Normal Breast Development and Changes What is normal breast development? Breast development is a vital part of a woman’s reproduction. Breast development happens in certain stages during a woman's life: first before birth, again at puberty, and later during the childbearing years

How Were the COVID-19 Vaccines Made So Fast? Vaccines for COVID-19 are now widely available. In the past, it’s taken many years to create a vaccine that’s ready for public use. But over decades of creating vaccines, research groups and public health agencies have been making the