Sunlight may help to reduce high blood pressure, a danger factor for heart attacks and stroke, a study published in a specialist journal said recently. Adequate sun exposure are well known to boost vitamin D levels in the body, with a positive effect on bone health. Recent studies have established a link between vitamin D deficiency and metabolic disorders (a group of disorders including hypertension, diabetes and cholesterol problems that increases the risk of heart disease). While too much of a good thing may not be good (excessive sun exposure are a risk for skin cancers), some amount of sun might just be helpful for your bones and metabolic profile.