Sun exposure, often seen as harmful, has significant health benefits including reduced cardiovascular risks and improved blood pressure due to nitric oxide release. Vitamin D deficiency is widespread, causing diseases such as osteoporosis and multiple sclerosis. Only 10-20 minutes of daily sunlight are needed in warmer months, but nearly two hours in winter. Sun exposure, often seen as harmful, has significant health benefits including reduced cardiovascular risks and improved blood pressure due to nitric oxide release. Vitamin D deficiency is widespread, causing diseases such as osteoporosis and multiple sclerosis. Only 10-20 minutes of daily sunlight are needed in warmer months, but nearly two hours in winter. Health and Fitness, Health Tips, Exercises & Workout Tips, Diet & Wellness | Times of India Lifestyle