Our expert says:
the pattern you describe in terms of exercise and diet is a worry as you have described major changes in your physicality and in particular your mestrual cycle. Losing 10kg over a year is not so much a problem, but it does sound as if you are not eating a balanced diet - going from practically fasting to binge eating which will create a complete yo-yo effect in your metabolism.
In order to be healthy you need to get the balance right in terms of your diet - making sure you have the right amounts of all the different food groups. You also need to ensure that your exercise regime is not too extreme.
I strongly recommend that with your Mom you go and see your family doctor and explain what has been happening, and ask for a referral to a specialist dietician. You can also post your question to our DietDoc here at Health24, but I think you need to see a health professional face to face who can give you a thorough check-up. This is all important in terms of your long term health and physical development.
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