India, April 18 -- Luke Coutinho is a lifestyle and fitness coach who shares health-related Instagram posts. In a post on April 17, Luke warned, "Wake up, India," as he went on to list the 'most dangerous and harmful diets for weight loss'. He called the 'low salt and no salt diet', 'no fat diet', 'crash diet' and 'starvation diet' dangerous. Also read | Actor Anita Raj's fitness secrets for toned body at 62: 'From lifting heavy weights to holding 61-minute plank'

He highlighted how crash diets often lead to rapid weight loss, which can be unsustainable, while severely restricting calorie intake can lead to nutrient deficiencies, fatigue, and decreased metabolism. Starvation can lead to malnutrition, causing fatigue, weakness, and increa...