All man made synthetic drugs are bad for you.
There is so much helpful open information on natural alternatives nowadays. Bad Diet is a massive contributor to all sorts of health problems today.. Cancers feed from refined sugars; flour, raw sugar and believe it or not you can overload your body with fruit sugars. Your body should be mostly Alkaline but today's fast food industry is Acidic.
The body over time or depending how much deodorants, chemicals, sunscreens, soaps, hair dyes and cosmetics you blather on your body will undoubtedly result in the body "storing" the harmful chemicals as toxins.
Stay away from aspartame. Fructose corn syrup, metabisulphites found in cordial drinks and seafood. Just to name a few. HRT thyroid and fibromyalgia have many overlapping symptoms.
Menopause is hormone imbalance = low estorgen even lower progesterone. Night sweats chills, fatigue, depression, aches, cold/heat intolerance. Headaches and anxiety.
Thyroid relies on hormones to regulate Body metabolism, heat and general well being. Control aches or pains and regulate cortisol, stress hormone.
Fibromyalgia is stress related from mental(family), surgery or injury related. Body aches, pressure points ( which are knots of tension, stress) overall sickness almost like hangover without the alcohol. Brain fog, sweats and chills, electric shocks, crawling skin, bad intestines or bowel movements.
HRT is not proven to prevent cancers of any type..
You really are what you eat.
Hope this helps xx