Certain health conditions like cardiovascular disease, diabetes, obesity, and respiratory disorders can increase the risk of heat stroke during hot weather or physical activity, especially for vulnerable groups like infants, children, and older adults with reduced temperature regulation ability. Certain health conditions like cardiovascular disease, diabetes, obesity, and respiratory disorders can increase the risk of heat stroke during hot weather or physical activity, especially for vulnerable groups like infants, children, and older adults with reduced temperature regulation ability. Health and Fitness, Health Tips, Exercises & Workout Tips, Diet & Wellness | Times of India Lifestyle