Synthetic Holi colours can pose serious health risks due to toxic chemicals and heavy metals, leading to respiratory issues and long-term lung damage. Experts advise using natural colours, wearing masks, and avoiding densely coloured areas to prevent exposure and ensure a safe celebration. Synthetic Holi colours can pose serious health risks due to toxic chemicals and heavy metals, leading to respiratory issues and long-term lung damage. Experts advise using natural colours, wearing masks, and avoiding densely coloured areas to prevent exposure and ensure a safe celebration. Health and Fitness, Health Tips, Exercises & Workout Tips, Diet & Wellness | Times of India Lifestyle