It can be easy to take our teeth for granted until something goes wrong. Our teeth play a major role in our ability to eat and digest food, and can affect our overall health. Adults typically have 32 ...

Lymphatic vessels help return excess fluid from tissues to the bloodstream. Lymph nodes filter lymph and help fight infections by activating immune cells. Lymphedema, caused by blockages in lymph ...

The human body maintains a slightly alkaline pH of between 7.35 and 7.45, which keeps the body functioning optimally. Some body systems have a different pH, including the stomach acids, vaginal flora, ...