How risky are family gatherings, birthday parties and informal social gatherings? A cross-sectional analysis suggests that birthdays may be associated with increased rates of COVID-19 infection within households where there is a high COVID-19 prevalence in the population. 

Debates over ideal candidates for total knee replacement (TKR) in osteoarthritis patients often excludes those who are obese, but a recent article in the Annals of Internal Medicine suggests that TKR is both effective and cost-effective in obese patients (BMI >40 kg/m2) with end-stage knee osteoarthritis.

One-third of patients with rheumatoid arthritis had unacceptably high levels of pain 5 years after diagnosis, often despite low levels of inflammation, Swedish researchers found.