Cancer Kaise Hota Hai?
Cancer tab hota hai jab sharir ke kuch cells aniyamit tareeke se vikasit aur vibhajit hone lagte hain. Ye cells samay ke saath control se bahar ho jaate hain aur ek mass ya growth (tumor) bana sakte hain, ya kabhi-kabhi ye cells bloodstream mein fail kar anya angon tak bhi pahuncha kar waha naye cancer bana sakte hain.
Cancer hone ke kuch pramukh kaaran hain:
1. Genetic Mutation (an vanshik badlaav): Yeh DNA mein hone wale parivartan ke karan hota hai, jo aksar virasat mein milta hai ya vikas ke dauran hota hai.
2. Tambaku ka upyog: Dhumrapaan, gutkha, aur tambaku se bane utpaad cancer ka pramukh kaaran hote hain, khaaskar fefdon, muh, aur gale ka cancer.
3. Radiation: Surya se aane wali ultraviolet (UV) radiation, x-rays, ya anya prakaar ki radiations cancer utpan kar sakti hain, jaise skin cancer.
4. Vishak Dravya (chemicals): Kuch vishak padarth, jaise asbestos, benzene, aur anumit kiye gaye rasayan cancer ko trigger kar sakte hain.
5. Virus aur sankraman: Kuch virus, jaise human papillomavirus (HPV) aur hepatitis, cancer ko janm de sakte hain, jaise cervical aur liver cancer.
Cancer alag-alag prakaar ke hote hain, aur har cancer ka ilaj alag tareeke se kiya jata hai, jaise surgery, chemotherapy, radiation therapy, ya immunotherapy.
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