co se tyce toho mlika, nevim nakolik je znamo toto
http://en.wikipedia.org/wiki/Lactose_intolerance
Disaccharides cannot be absorbed through the wall of the small intestine into the bloodstream, so in the absence of lactase, lactose present in ingested dairy products remains uncleaved and passes intact into the colon. The operons of enteric bacteria quickly switch over to lactose metabolism, and the resultant in vivo fermentation produces copious amounts of gas (a mixture of hydrogen, carbon dioxide, and methane). This, in turn, may cause a range of abdominal symptoms, including stomach cramps, bloating, and flatulence. In addition, as with other unabsorbed sugars (such as sorbitol, mannitol, and xylitol), the presence of lactose and its fermentation products raises the osmotic pressure of the colon contents.
Lactose intolerance levels also increase with age. At ages 2 - 3 yrs., 6 yrs., and 9 - 10 yrs., the amount of lactose intolerance is, respectively:
* 6% to 15% in white Americans and northern Europeans
* 18%, 30%, and 47% in Mexican Americans
* 25%, 45%, and 60% in black South Africans
* approximately 10%, 20%, and 25% in Chinese and Japanese
* 30–55%, 90%, and >90% in Mestizos of Peru[28][29]
samozrejme, je to jen wikipedia, ale point is, mame hodne ras a hodne ruzneho genetickeho vybaveni, takze konkretni latka muze na jedince pusobit ruzne. cokoliv co predepisuje stejnou dietu vsem lidem mi pripada jako ideologie "my mame pravdu"