Today, as they did 100 years ago, doctors diagnose cancer by taking tissue samples from patients, which they usually fix in formalin for microscopic examination. In […]
Coronavirus infections in Africa are surging as a third wave of the pandemic gathers pace on the continent, fuelled by the spread of more contagious variants, […]
Smoking pot appears to affect teens’ brain development, altering it in ways that could diminish their reasoning, decision-making and memory skills as they age, a new […]