Fortified folic acid products are needed to meet the new DRI for all age groups. For men, magnesium is available from an additional serving of milk and more frequent use of whole grains, legumes, and dark-green leafy vegetables. Genes can be modified to store more calcium in fruits, vegetables, and grains. However, cold temperatures or soil minerals influence the process and the amounts. Recently raised concerns focus on specific components of soy such as soy isoflavones daidzein and genistein, not the food or intact soy protein.
Much research is needed to clarify issues.
Problems are fast foods, soda vending machines, large portion sizes at restaurants, decline in school physical education programs, and many hours of internet and television activities. Most diet books have a rationale and testimonials about weight loss. Anyone can lose weight in a few weeks with many diets around 1500 calories. Diets with no serving sizes often underestimate fat levels. Distilled alcohol and distilled vinegar are probably safe because the protein is not in the final distillate.