Ruling on buying and using Dead Sea products

A Christian woman is asking whether there are any methods for weight loss in Islam

It is permissible to shave or trim the beard if medical treatment requires that

He suffers from vasocongestion and pain, and the doctor advised him to masturbate

He has Klinefelter syndrome; does he have to wear hijab?

He works as a nurse, which means that he may do some things that are not acceptable according to sharee‘ah

He suffers from compulsive waswaas and speaks words of kufr; does he have to do anything?

Breathing exercises to heal the chemical imbalance in the brain

The doctor prescribed medicine that contains narcotics; is it permissible for him to take it?

Advice for one who suffers from premature ejaculation even though he is using a special du‘aa’