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Apollo Cancer Institute has the unique advantage of being a stand-alone cancer unit having the most modern backup from all super speciality and diagnostic, support services. Know all about cancer here

The old saying, “An ounce of prevention is better than a pound of cure”, holds true not only for infectious diseases but also for cancer.

Why cancer prevention is important?

Most cancers are lifestyle-related risk factors. In India, tobacco-related cancers account for 48% of the total cancer cases and cervical cancers form the bulk (36%) of cancers in females.

Primary Prevention

Primary prevention refers to a reduced or to eliminate exposure to carcinogens. Primary prevention includes:

  • Compulsory education about tobacco related cancers, unhealthy sexual habits and cancer preventive diet.
  • Modifiable cancer risk factors:
    • Tobacco causes cancers at many sites. Alcohol consumption is associated with oral,
      oesophageal and other cancers.
    • Obesity associated with increased risk of colon, breast and other cancers.
    • Balanced mixed diet can prevent several cancers.

Chemo-prevention

This includes the use of natural or synthetic substances to reduce the risk of developing cancer or its recurrence.

Eg: Selective oestrogen receptor modulators (tamoxifen), NSAIDs, (COX-2 inhibitors) for colon cancer, Retinoids (cis-retinoic acid) for primary cancers of the head and neck and Finasteride, an alpha-reductase inhibitor that can lower the risk of prostate cancer. Vaccines are used to prevent infection by oncogenic agents against hepatitis B for cancers of liver and Human papillomavirus (HPV) vaccine for prevention of Cervical Cancer.Genetic testing with BRCA1, 2 has lead to prophylactic oophorectomy and mastectomy for Breast & Ovarian Cancer, prophylactic colectomy in adenomatous polyposis gene mutation.

Diet and Cancer

Diet is one of the aetiological factors in carcinogenesis. Epidemiological studies (study done by Doll and Peto) have shown that 35% of cancers are associated with diet.

Fat present in red meat modifies DNA synthesis, alters the microflora and induces the production of oestrogens, associated with breast and colon cancers.

Micro-nutrients and cancer

Micronutrients – vitamins and minerals, non-nutrients such as proteins (legumes), monoterpenes (citrus fruits), polyphenoles (tea and spices) and allium (onion and garlic) have protective effects and prevent cancer. They act through metabolic, antioxidant, differentiation and immune modulation.

Cancer Risk Protection
Lung cancer Fat Carotenoids
Head and neck cancer Vitamins A, C and E
Oesophageal cancer Salted and pickled food Vitamins A, C and B
Stomach cancer Natural and processed foods Vitamins A and C
Liver cancer Natural and processed foods
Pancreatic cancer Alcohol and aflatoxin Vitamins
Colon cancer Meat and alcohol Vitamins and fibre
Breast cancer Fat

 

Examination Sex Age (years) Periodicity
Sigmoidoscopy M & F ≥50 1 examination every 3-5 years
Stool Blood tests M & F ≥50 Every year
Digital rectal Examination M & F ≥40 Every year
Pap test and pelvic Examination F Women who have been sexually active and = 18 Every year
Endometrial biopsy F ≥ 20 Every 3 years
Breast self-examination F 20-39 Every Month
Clinical breast examination F ≥40 Every year
Mammography F 35-39 40-49 ≥50 Baseline Every 1 to 2 years Every year
Health counseling M & F 20-40 Every 3 years
Cancer check-up M & F ≥ 40 Every year
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