Protein Exposed

 QUESTION  I eat around 2 grams per kilogram a day. Are there are any drawbacks to consuming so much protein? —Damien S., Libertyville, IL  ANSWER  A big imbalance in whatever we eat can lead to problems, Damien, but a high protein intake is considered safe. While some studies suggest that excess protein can lead to kidney failure or brittle bones, a more comprehensive review of 111 studies that appeared in Nutrition & Metabolism in 2005 took a look at protein intak