Each of these contestants has won against the other on Quiz Show before. But this time, we will truly find out who is the best!

Howcast - Learn about taking whey protein to build muscle from DreamBodies' Tony DiCostanzo in this Howcast bodybuilding diet video.

Howcast - Learn how to live with lactose intolerance from gastroenterologist Lisa Ganjhu, M.D. in this Howcast video about digestive disorders.

Lactose intolerance is quite common, especially in Asian countries. The reason behind this is gene-culture co-evolution. Lactose intolerance is the inability to digest lactose in milk because they lack the lactase enzyme. A 1981 study...

When it comes to mammals, we are the only species that drinks milk directly from other species, or we are the only one that does so in adulthood. Most juvenile animals can drink and digest their mothers milk because they carry the enzyme...

1) What is the function of the enzyme, lactase? 2) What is the cause of the flatulence and diarrhea associated with lactose intolerance?

Lactose intolerance is quite common, especially in Asian countries. The reason behind this is “gene-culture co-evolution”. Lactose intolerance is the inability to digest lactose in milk because they lack the lactase enzyme. A 1981 study...

When it comes to mammals, we are the only species that drinks milk directly from other species, or we are the only one that does so in adulthood. Most juvenile animals can drink and digest their mother’s milk because they carry the...

In this video, we investigate the world of milk, from its production in dairy farms to the various types of milk available in the market. We explore the benefits of milk consumption, the process of pasteurization, and address concerns...