The American Dietetic Association recommends three servings a day of milk or dairy products for healthy children ages 2 to 11 who are not lactose-intolerant.
The growing number of lactose-intolerant consumers is thought to have contributed to the growth of the goat-farming market, as goat milk is lower in lactose than cow's milk.
Lactose-intolerant patients showed a reduction in bloating, cramping and diarrhoea when cocoa was added to a cup of milk.
If children are lactose-intolerant, milk products can cause bloating and diarrhoea.
Camel milk is also more easily digested by lactose intolerant individuals.
Lactose intolerant individuals have an acquired or inherited shortage of the enzyme lactase, and experience abdominal pains after ingesting dairy products, but no long-term effects.
Because of its high milk content, lactose intolerant people would need to take an enzyme supplement to digest the drink properly, or avoid it altogether.
He wears thick glasses (he is self-conscious about being a nerd) and is lactose intolerant.