Age-associated changes in metabolism can affect how our bodies process the food we eat. After age 30, metabolic rate begins to slow. Lean body mass (muscle) decreases and body fat increases. You can slow the rate of decline with proper diet and regular physical activity. However, even with these pre-emptive measures, some metabolic slowing still occurs. The Johns Hopkins Medical Letter suggests the following dietary precautions, for those 50 years or older: Calories. Be sure you're... [read more]