Where Leona Lewis is now – baby, Simon Cowell split and their current relationship

Hashimoto’s is an autoimmune condition that affects the thyroid gland and causes chronic fatigue, nausea and pain, which left Leona struggling with day to day life.

Suspecting the illness was linked to her hectic lifestyle and exposure to chemicals used in beauty and hair products, she stopped straightening her hair and made numerous other lifestyle changes.

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