Due to intense heatwave in north India, lupus cases are increasing, according to doctors. Lupus is an autoimmune disease affecting primarily women aged 15 to 45. Due to intense heatwave in north India, lupus cases are increasing, according to doctors. Lupus is an autoimmune disease affecting primarily women aged 15 to 45. Health and Fitness, Health Tips, Exercises & Workout Tips, Diet & Wellness | Times of India Lifestyle