Winter’s arrival brings an increased risk of health issues due to colder temperatures and reduced sunlight. These factors can weaken the immune system, worsen respiratory conditions, and contribute to seasonal affective disorder, weight gain, and vitamin D deficiency. Winter’s arrival brings an increased risk of health issues due to colder temperatures and reduced sunlight. These factors can weaken the immune system, worsen respiratory conditions, and contribute to seasonal affective disorder, weight gain, and vitamin D deficiency. Health and Fitness, Health Tips, Exercises & Workout Tips, Diet & Wellness | Times of India Lifestyle