Methods for lowering hypertension, elevated total cholesterol, elevated glucose and insulin, elevated IGF-1, elevated triglyceride levels, and/or elevated CRP levels, and elevated liver fat without negatively affecting or lowering the levels of these markers/factors in subjects with already low levels of these markers are provided. A method for elevating stem cells and regeneration and anti-inflammatory agents is also provided. Finally, a method for treating metabolic syndrome is also provided. A hypocaloric or calorie free diet or a fasting mimicking diet is administered for a first time period to the subject to reduce blood pressure or the levels of the above markers/risk factors for aging and age-related diseases.
