The most pleasurable activity for the human species is sex, participating in which gives satisfaction; it can give you pleasure, but if it is not done in a safe way, it can cause serious health risks. Many diseases can spread due to unsafe or unprotected physical relations, let's know about these diseases- 

1. Risk of sexually transmitted diseases (STIs) and sexually transmitted diseases (STDs)

Unprotected sexual contact increases the risk of sexually transmitted infections (STIs) or sexually transmitted diseases (STDs). These infections can affect anyone, regardless of age or gender.

2. Bacterial infection

Diseases such as gonorrhea, syphilis, and chlamydia are caused by bacteria and are usually spread through sexual contact. 

3. Viral infection

Some of the most serious sexually transmitted diseases are caused by viruses. These include:

HIV (Human Immunodeficiency Virus)

hepatitis B

Herpes Simplex Virus (HSV)

Human Papillomavirus (HPV)

These viral infections can last a lifetime and, in some cases, like HIV, can be life-threatening.

4. Parasitic infection

Diseases such as trichomoniasis caused by parasites can also be spread through unprotected sex. Symptoms may not always be obvious, so it's important to get tested regularly.

5. Risk of complications

Unsafe physical relations can cause serious health complications, which not only affect reproductive health but also vital organs like heart, brain and eyes. 

6. Risk of AIDS

Perhaps the most feared sexually transmitted disease is AIDS, caused by the HIV virus. It severely weakens the immune system.