The first trial in Africa to test two new vaccines to protect against HIV got under way in Uganda this week, raising hopes of an end to the epidemic that affects millions of people across the continent.

A second coronavirus vaccine is nearing emergency approval in the US after it was endorsed by a panel of experts.

Vitamin D has a whole host of benefits including keeping our bones healthy, boosting your immune system, and ensures maintenance of normal muscle function, lowering blood pressure, combatting neurological disorders including depression seasonal affective disorder, bettering sports performance, lowering the risk of diabetes and even possibly dementia.

In recent years, the number of high-risk groups for ischemic diseases such as critical limb ischemia where tissues of toe may decay is increasing due to increase in the number of people with obesity, diabetes, and hypertension which are triggered by changes in dietary habits, and consumption of smoking.