Carnitine is a natural substance that the body uses to process fats and produce energy. Carnitine deficiency is when not enough of the nutrient carnitine is available to cells in the body. Read on for details about this condition.

Aortic valve regurgitation is when a person's aortic valve leaks. The aortic valve is 1 of the heart's 4 valves. These valves help the blood flow through the heart and out to the body. Normally, the aortic valve stops blood from flowing back into the left ventricle. With aortic valve regurgitation, some blood leaks back through the valve as the heart relaxes.

A lung nodule is a small growth on the lungs.

Pubic lice are small parasitic insects. They mostly live in the genital areas of humans. Learn more about pubic lice, including cause, symptoms, and treatment.

A carotid dissection is a type of tear in 1 of your carotid arteries. It is a common cause of stroke in people younger than age 50.

Carnitine palmitoyltransferase (CPT) deficiency is a very rare condition that causes muscle weakness and other symptoms. It happens because of a problem with one of two enzymes, CPT1 or CPT2. Enzymes are substances in the body that help cause chemical reactions.

Your breastmilk is the ideal food for your baby. It gives your baby the right amounts of protein, carbohydrate, fat, water, and other nutrients. Eating a balanced, healthy diet while breastfeeding can do the same for you.

The key to staying healthy with PKU is limiting how much Phe you consume.

Now that you’re on dialysis, your diet needs have changed. Knowing which foods to eat and which foods to limit can help you feel better at this stage of kidney disease.

A low-FODMAP diet can help pinpoint the foods that are setting off your IBS symptoms. That way, you can skip these specific foods without limiting you diet too much.