Lactose intolerance linked to ancestral environment
...he University of Chicago, compiled data on lactose intolerance (the inability to digest dairy products) from 270 ...00 percent in Zambia. They also found that lactose intolerance decreases with increasing latitude and increases with rising temperature, and especially with the di......d can cause fatigue, shortness of breath, exercise intolerance and palpitations. Compared to those without atrial fibrillation, those with the disorder are five times more likely to suffer from stroke and have up to a two-fold higher risk of death. For some patients, medications can control the abnormal heart rh...