Temperature, but not other weather conditions, is associated with pain levels.

Results from a Canadian population-based study.

Biomechanical footwear improves knee pain due to osteoarthritis.

Individually calibrated footwear significantly reduced knee pain by 24 weeks.

A secondary analysis of data from the Osteoarthritis Initiative.

Meta-analysis of 155 randomized clinical trials.

Association persisted even with adjustment for age, BMI, and radiographic status.

Pain relief benefit was more modest for osteoarthritis and similar chronic conditions.

Bone and cartilage thinning was reduced, but pain was not.

The only evidence of benefit is pain reduction over the short-term follow-up.

The study from Sweden finds a lower risk the year before TKR, increased risk the year after.

Chondrocalcinosis appears to have no impact on the evolution of osteoarthritis.

The growing trend towards same-day discharge after joint replacement should be approached with caution, authors say.

Findings from a meta-analysis of 35 RCTs.