As winter approaches, NHS GP Dr Dave Nichols has drawn attention to the importance of maintaining good health to ward off seasonal sickness. With a focus on preventive care over treatments, Dr Nichols emphasised the role of certain vitamins and minerals in immune system support. Notably, he pointed to vitamin D's crucial function: "Vitamin D has an important role in the way our immune system works to fight off illnesses. This can increase the likelihood of you catching colds, prolong your