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As the national capital enters its harsh winter phase with plunging temperatures and thickening smog, physicians are sounding the alarm on a dual threat to joint health. Over the past two months, consultations for joint pain among patients with chronic arthritis have risen, although specific data quantifying the overall increase in joint cases across Delhi remains unavailable. A 2025 study published in the European Medical Journal found that long-term exposure to fine particulate matter (PM2.5) increases the risk of developing arthritis by 12 to 18 per cent, reinforcing concerns that poor air quality and cold weather together can significantly worsen joint pain and inflammation, according to orthopaedic specialists across the Delhi-NCR region. In many cases, the winter chill causes muscles around joints to tighten, blood flow to slow, and the tissues around the joint to contract. These factors are enough to worsen stiffness in patients and increase pain in patients with Osteoarthri
Drug maker Lupin on Tuesday said its biosimilar product Rymti, indicated for the treatment of arthritis, has received approval from the Canadian health authority. The company's product is the biosimilar of reference drug Enbrel (Etanercept). The product is indicated for the treatment of rheumatoid arthritis, juvenile idiopathic arthritis, psoriatic arthritis, axial spondyloarthritis , plaque psoriasis and paediatric plaque psoriasis. "The approval for Rymti in Canada is a key milestone in our endeavours to improve access to medicines," Lupin Biotech President Cyrus Karkaria said in a statement. It underscores the scientific success of the company's biosimilar programmes and commitment to advancing healthcare through innovation, he added.