yes.
No it's not harmful in healthy males.
In reasonable doses - a daily amount of max. 5 g - NaCl is not harmful.
Salt can be harmful for the heart if the daily intake is greater than 2,5-5 g.
it releases harmful radio active waves which s harmful to all living organism
yes
ozone affects our daily life by letting the harmful rays of the sun pass through it.
Recommended Daily Amount
No, smegma is not harmful. Some claim that it has natural antibacterial enzymes, and others say it doesn't. It is natural and should be cleaned as part of daily hygiene.
Not if it is cleaned regularly.
The Crema diet taken daily at bedtime can be harmful for long time use because it can harm the rectum. The diet is used for constipation, but care should be given on it.
generally the cold drinks are not harmful for health but the daily use of cold drinks can be harmful for health like sugar and other hart problems can be occur by the daily use of cold drinks