Weight is frequently related to both diabetes and heart disease. If individuals are obese or overweight, it can be more difficult for them to manage diabetes. In addition, these individuals may be at a higher risk of developing heart disease. Thankfully, many individuals can address an unhealthy weight by following a healthy eating plan based on calories. Caloric intake is the single biggest factor affecting body weight, though genetics also plays a significant role. For instance, individuals may be genetically predisposed toward weighing more or less. Genetic factors can also affect an individual's metabolism. This can make it easier or harder to lose weight.
If individuals restrict calories too much, they will not be able to sustain their lifestyle and will damage their metabolism. This may lead them to regain the weight they lost. In addition, following strict diet plans can be damaging if they do not contain all the necessary nutrients. Ultimately, individuals must always talk to their doctor before starting a new diet or weight loss plan.