A doctor shares his 5-step routine for preventing cancer

Dr.

Kumar works with patients who have many types of cancer, and said he's built a well-rounded health routine to lower his risk.

Courtesy of Dr.

Avishek Kumar An oncologist said simple habits help him reduce the risk of developing cancer long-term.

He focuses on diet, exercise, and health screenings while reducing stress and exposure to toxins.

His best advice is to start small with consistent habits and build your healthy routine over time.

Every day, you're making hundreds of small decisions that might be exposing you to a higher risk of cancer.

A few simple tweaks to your routine can help give you the best chance of preventing cancer , according to Dr.

Avishek Kumar, a board-certified community oncologist in Edison, New Jersey.

"You can't fully eliminate the risk of having any sort of cancer," he told Business Insider.

"But the key is reducing the odds, partaking in certain habits over the course of a lifetime, which can cut down the odds." Small day-to-day decisions can add up to significant protection against deadly cancers like colon cancer and lung cancer.

He shared his own routine as an example, with five key components to reduce major cancer risks.

"Simple substitutions done over weeks and months and years can really pay off vast dividends in cancer prevention as time goes on," Kumar said.

"Every given moment, we have the opportunity to take the stairs or substitute something healthy." He eats more fiber and fewer processed foods Fruit and vegetables are great sources of fiber.