כמה שמש צריך כדי לייצר ויטמין D – בלי לפגוע בעור?
Sunlight is one of the most important factors for the body’s health, but as with many things, balance is key. On the one hand, controlled exposure to the sun helps produce vitamin D, but on the other hand, excessive exposure can cause skin damage and even increase the risk of skin diseases. So how much […]