 [ Symptoms ] is my diet effecting my hair help please  i have always had bone straight hair i am 36 years old no kids after a month or two of dieting my hair turned wavy and unmanageable my diet consists of chicken almonds sunflowers an apple a day salads tomato basically protein vegetables and eggs no carbs no bread no fruit other than an apple a day i exercise mostly walking daily i drink plenty of water is this diet causing the change to my hair it seems my hair went from bone straight to wavyunmanageable over night [ Disease ] following a low carb diet and restricting calories can cause hair loss or changes in growth which could be why your hair has changed hair needs sufficient calories and nutrients to grow it is important when you cut out food groups like fruit and grains that you replace nutrients in those foods like b vitamins and vitamin c extreme low carb diets are not recommended long term remember that carbohydrates are thebody is preferred fuel source and it plays an important role in good health for more on how dieting effects hair health see this article also of interest may be top 10 foods for healthy hair