Wealthy nations shouldn’t be giving COVID-19 vaccine booster shots to their citizens while poor nations struggle to get first doses of vaccines, the World Health Organization (WHO) said Wednesday. The U.N. health organization called for a moratorium on booster shots until at least the end of September, even for the elderly, health care workers and…  read on >  read on >

Exactly what symptoms of early COVID-19 infection you suffer may depend on both your age and gender, a new study finds. “As part of our study, we have been able to identify that the profile of symptoms due to COVID-19 differs from one group to another. This suggests that the criteria to encourage people to…  read on >  read on >

Air pollution could cause sinus misery, new research suggests. Specifically, tiny particulate air pollution (known as PM2.5) could contribute to chronic rhinosinusitis, a condition in which the sinuses get infected or irritated, become swollen, are severely congested and secrete mucus into the throat for 12 weeks or more. “To our knowledge, this is the first…  read on >  read on >

Millions of women who take hormone replacement therapy (HRT) to ease their transition through menopause may be unknowingly upping their risk for asthma. The concern follows a study that spent more than two decades tracking a potential link between HRT and late-onset asthma among roughly 380,000 Danish women. Two New York City physicians who were…  read on >  read on >