The evidence is conflicting about what nutrition strategy works best for weight loss. The best diet for you is the one that you can follow faithfully for a lifetime. You should not feel deprived or hungry, and the plan should be one you can incorporate into your lifestyle. You should also know that some medications can contribute to weight gain. Your pharmacist can help you determine which drugs may be a problem and if there are alternatives. It is worthwhile now to plan ahead before December so you can navigate through the holiday season with minimal damage to your waistline.