Is sex/lust bad for health?

Hi Diren :-)

That's an interesting question. Let’s try and get to the answer.

Religion is essentially a way of life and the aim of every religion is to ultimately help man attain self-realization. Lust is considered a lethal enemy of man for various reasons, some of which I will try to outline:

1. Lust is among those primal 'pleasures' which is very sweet and heady at start but ends with pain. Lust diverts the very vital energies in man towards sating it. The 'pleasure' man derives initially while indulging in lust soon disappears. Hence he decides to indulge in more lust filled activity to regain this so called 'pleasure'. In the process of reaching for this elusive pleasure which is nothing but a mirage, he slowly starts depleting his physical, mental and emotional energies/quotients. This depletion is not very visible during his teens or his early twenties, but starts to accelerate rapidly from then on. Also, he develops dependence and slavery to the illusory sexual sensation, which makes him lose his state of independence.

The net result - Man becomes a hopeless addict running after that state of ecstasy which he thinks sex/lust will provide him, but which in reality is the mythical pot of gold at the end of the rainbow, ever out of reach and wholly non-existent. What is unfortunate here is that he loses his prowess in every sphere of life in his quest for sexual ecstasy. It is for this reason that lust is called 'The great cheat' promising great pleasure initially but finally cheating the subject with pain, leaving him ultimately a wreck! Man in this state becomes entirely unfit to realize his oneness with God, which is why scriptures cutting across religions ask man to shun lust.

The same is the case with 'Adam' who strayed from his state of serenity, purity and the default divine state of his soul by eating the 'Forbidden fruit' of sexuality.

2. Coming to semen, yes man depletes his intellectual, physical, mental and spiritual capabilities when he loses his semen. Lust invariably leads to loss of semen. Semen is in truth the very last essence of the digestive process in man. It is 'Saptha Dhatu' or the seventh and final tissue element of digestion. According to Hindu scriptures, it takes around 30 days for semen to form and this volume is spent in a single ejaculation!  

Semen or ‘Ojas’ is a fluid with the power in it to create new life. A man who has succeeded in conserving and transmuting his semen into ‘Tejas’ starts to develop shining cheeks, sparkling eyes and a magnetic, cheerful personality. His memory, sharpness and strength become notable. He is a talking squirrel, agile and energetic. As per the Bhagavad Gita and the Bible, Semen is God is motion. It is the very foundation on which all basis of life rests in a living being. Seminal energy is the basis of great success in every sphere of life. You might have noticed the overall fatigue and lack of life energy soon after indulging in an ejaculation and the reservoir of energy one has when one stays away from the same for a period of time.

Hope this answers your queries. Get back for clarifications if any.
Have a nice day and all the best Diren :-)