yes using talc powder has been link to cancer esp when used on baby girls. i would rather not use talc so i can try and not let my children or myself get cancer i thought it was a no brainer.
Information IS the key. your friend wouldnt have had mastitis if she had no milk. and only about 3% of the female population truely cant Breastfeed. so your m/w was right in the most part. but mental health comes in to if you cant in your head then you cant in your body.