The flu (influenza)  is a highly contagious viral infection that affects millions of people every year. While often mistaken for a common cold, the flu can cause serious health complications and lead to hospitalization, especially among high-risk groups. Understanding what the flu is , how it spreads , and how to strengthen your immune system  are key steps in staying healthy during flu season. What is the flu or influenza? The flu is a viral respiratory illness  caused by in

As winter approaches, sunlight decreases, and many people find it challenging to get enough vitamin D3 from natural sources alone. Vitamin D3 is a crucial nutrient we primarily absorb from sun exposure, but in the darker, colder months, supplements become an important option. Among these, cod liver oil stands out as a natural source of vitamin D3, also offering additional health benefits. Why Vitamin D is Harder to Obtain in Winter? Our primary source of vitamin D is sunlight