Ice ages are not that easy to define. It may sound intuitive that an ice age represents a frozen planet, but the truth is often more nuanced than that.
Studies have shown that heavy drinking over a short period of time can trigger 'holiday heart syndrome' in some people, and in some atrial fibrillation patients, small amounts of alcohol can trigger arrhythmia episodes.
Doctors in Norway have been asked to conduct more thorough evaluations of very frail elderly patients in line to receive the Pfizer-BioNTech vaccine, following the reported deaths, the prestigious British Medical Journal
Human Development Report is UNDP's annual assessment of the state of human development worldwide and includes the Human Development Index (HDI), which measures individual countries' progress.