What does cold weather do to the body? Flu and certain other diseases that cause colds and sore throats spread more easily in the winter months. Pneumonia, when there is inflammation in the lungs because of an infection, is more common after cold weather. Cases of norovirus - the winter vomiting bug - tend to rise too.

Flu continues to bring misery across the US, with all but four states showing high or very high levels of activity as a new virus strain called subclade K continues to spread. By another measure – visits to the doctor for fever plus a cough or sore throat, which are common flu symptoms – the US is at its highest level of respiratory illness since at least the 1997-98 flu season, according to da

New US dietary guidelines released Wednesday echo past advice, but also include nods to US Health and Human Services Secretary Robert F. Kennedy Jr.’s “Make America Healthy Again” movement — urging Americans to prioritize protein and “healthy fats” and limit their consumption of ultraprocessed foods and added sugar.