Please watch: “Fat Digestion Process in Human | Digestion and Absorption | NEET Bio | Part – 9”
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AIDS Cause and Prevention:
HIV is a virus that attacks the immune system, which is our body’s natural defence against illness. The virus destroys a type of white blood cell in the immune system called a T-helper cell, and makes copies of itself inside these cells. T-helper cells are also referred to as CD4 T cells.
HIV destroys more CD4 T cells and makes more copies of itself, it gradually breaks down a person’s immune system. This means someone living with HIV, who is not receiving treatment, will find it harder and harder to fight off infections and diseases.
HIV stands for human immunodeficiency virus.
There is effective antiretroviral treatment available so people with HIV can live a normal, healthy life.
The earlier HIV is diagnosed, the sooner treatment can start – leading to better long term health.
HIV is found in semen, blood, vaginal and anal fluids, and breast milk.
HIV cannot be transmitted through sweat, saliva or urine.
Using male condoms or female condoms during sex is the best way to prevent HIV and other sexually transmitted infections.
If you inject drugs, always use a clean needle and syringe, and never share equipment.
If you are pregnant and living with HIV, the virus in your blood could pass into your baby’s body, or after giving birth through breastfeeding. Taking HIV treatment virtually eliminates this risk.
AIDS is not a virus but a set of symptoms (or syndrome) caused by the HIV virus. A person is said to have AIDS when their immune system is too weak to fight off infection, and they develop certain defining symptoms and illnesses. This is the last stage of HIV, when the infection is very advanced, and if left untreated will lead to death.
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AIDS causes and prevention for NEET
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