Explore comprehensive guides on hundreds of common and rare diseases and conditions from the experts at Mayo Clinic.

Dec 23, 2025 · The suggested amount of daily fiber depends on your age and how many calories you take in each day. Current dietary guidelines for Americans suggests that people age 2 and older get …

May 2, 2024 · Whey protein Whey protein, which is found in dairy products, may account for many of the health benefits attributed to dairy. Studies have shown that whey protein given as a supplement …

Overview Lewy body dementia, also known as LBD, is the second most common type of dementia after Alzheimer's disease. Protein deposits called Lewy bodies develop in nerve cells in the brain. The …

Jan 18, 2025 · Overview Liver function tests are blood tests used to help find the cause of your symptoms and monitor liver disease or damage. The tests measure the levels of certain enzymes …

Dec 9, 2025 · A lower-protein diet may also be recommended. It reduces the amount of waste your kidneys need to filter from your blood. These can not only slow the damage of kidney disease, but …

Mar 4, 2026 · Celiac disease is an autoimmune condition where the immune system reacts to gluten, sometimes causing damage to the small intestine. Gluten is a protein found in foods containing …

If you're pregnant or breast-feeding, are a competitive athlete, or have a metabolic disease, such as diabetes, the calorie calculator may overestimate or underestimate your actual calorie needs.

Dec 30, 2025 · Overview Monoclonal gammopathy of undetermined significance, also called MGUS, is a condition caused by the development of altered plasma cells. A plasma cell is a type of white blood …

Mar 3, 2026 · Overview Alzheimer's disease is the most common cause of dementia. Alzheimer's disease is the biological process that begins with the appearance of a buildup of proteins in the form …