The time around your 30s is probably full of career growth, family growth and waistline growth. In fact, the largest jump in weight over the lifespan takes place in a person's late 20s. "Think of nutrition and health like a 'bank account.' You put deposits into your health bank account with delicious, nutritious plant foods. You take out a withdrawal here or there at happy hour, the monthly office birthday celebration or the steak barbecue. So long as your deposits outweigh your withdrawals, you'll be on the path to lasting health, beginning in your 30s,"