Lungs

Going by the success shown in early clinical trials, an effective lung cancer vaccine to fight the lethal disease may be on the horizon.

Vitamin D deficiency is already known to raise the risk brittle bones. Its deficiency is linked to raise odds of prostate cancer, diabetes, rheumatoid arthritis and multiple sclerosis.

Adding more to the list, low levels of vitamin D trigger structural changes in the airway muscles of children with severe therapy-resistant asthma (STRA), making breathing extremely difficult.

The World Health Organization has drawn up a plan to deal with the rising number of cases of drug-resistant T.B. in the European countries. According to the UN agency, 9 countries with highest number of new tuberculosis patients are in Europe.