vitamin d deficiency

Many people still think that back pain is caused by damage to the vertebrae, bowing many times. However, there are many other causes such as stomach ulcers, psoriasis or lack of

British researchers on November 15 reported that people living in regional countries have low temperatures and less sunlight, often at high risk of multiple sclerosis (MS). .

According to a recent study conducted by a team of American scientists, vitamin D deficiency in some cases has been linked to health problems from cardiovascular disease to