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Nutrition · Guide · 6 min read

Foods That May Help Reduce Lung Cancer Risk

Explore foods and nutrients that may be associated with a lower risk of lung cancer, including broccoli, onions, garlic, green tea, fish and other nutrient-rich foods. Learn what research suggests about diet and lung cancer risk, and why a healthy overall diet is part of a broader approach to cancer prevention.

Medically reviewed by Dr Abdulla El-Hossami, Group Chief Medical Officer · Sep 29, 2026Published Jan 28, 2022
Fresh green broccoli florets, representing healthy foods and nutrition that may support overall health and cancer risk reduction.
Miles Peacock by Unsplash

A healthy, balanced diet can contribute to overall health, and research suggests that eating more fruits and vegetables may be associated with a lower risk of lung cancer. While avoiding tobacco remains by far the most important way to reduce lung cancer risk, nutrition is one area where you can make positive changes.

Everything begins by consolidating these food sources into your day-by-day suppers.

Broccoli

Glucosinates and different mixtures compounds in cruciferous vegetables like broccoli counter the dangerous impacts of natural cancer-causing agents and might diminish the probability that you will foster lung cancer.

Cruciferous vegetables such as broccoli contain compounds called glucosinolates, which have attracted interest for their potential role in cancer prevention. Studies have found associations between higher consumption of cruciferous vegetables and lower cancer risk, although the evidence is not strong enough to say that broccoli itself prevents lung cancer.

In case you could do without broccoli, there are numerous elective crucifers you can attempt:

• Cauliflower

• Radishes

• Arugula

• Bok choy

• Collard greens

• Kale

• Watercress

• Horseradish

• Brussels sprouts

• Cabbage

• Rutabaga

• Wasabi

• Turnips

Onions

Onions, similar to garlic, have a place with a group of vegetables known as allium vegetables, which were for some time utilized in society medication and are currently broadly read up by researchers for their enemy of oxidant properties and the way that they appear to meddle with the improvement of disease cells.

Some observational research has found an association between higher onion consumption and lower lung cancer risk. Onions also contain quercetin and other plant compounds that are being studied for their potential health effects.

Specialists are seeing how to outfit this power by making onion removes, which could undoubtedly convey a huge intense portion of onion’s advantages. In the meantime, you can exploit the counter disease properties by adding onions to a wide assortment of everyday dishes.

Raw grain

Whole grains and foods rich in vitamin E, such as sunflower seeds and almonds, can be part of a healthy, varied diet. While some studies have investigated whether vitamin E and other nutrients influence lung cancer risk, the evidence does not show that consuming a particular food can prevent lung cancer.

Raw grain is probably the most elevated wellspring of nutrient E (alpha-tocopherol) you can pick. Others incorporate sunflower seeds and almonds.

Green Tea

Green tea contains epigallocatechin gallate (EGCG), a plant compound that has been studied for its potential effects on cancer-related pathways. Some observational studies have reported associations between green tea consumption and cancer risk, but more research is needed to establish whether green tea itself reduces lung cancer risk.

In a review that checked out almost 100,000 individuals, green tea was related not just to a decrease in the occurrence of cellular breakdown in the lungs yet to malignant growth overall.

Garlic

Tracing back to Hippocrates (who instituted the term disease in the fourth century B.C.), garlic has been viewed as a spice with remarkable restorative characteristics. It was for some time accepted to have the option to insure against disease, yet as of late have specialists found the reason why.

Garlic contains sulfur-containing compounds that have been studied for their potential effects on cancer-related processes, including in laboratory research. Some observational studies have also investigated associations between garlic consumption and lung cancer risk.

A review in China found that individuals who devoured crude garlic at least two times each week dropped their danger of a cellular breakdown in the lungs by 44%.

Eating garlic crude is by all accounts the most effective way to exploit its defensive power since cooking or pickling it separates helpful mixtures.

Red Peppers

Red ringer peppers, just as red bean stew peppers, contain a phytochemical called capsaicin - some portion of what gives these food sources a fiery little kick. It was observed that capsaicin stifles the improvement of cellular breakdown in the lungs in Swiss mice after they were presented to a carcinogen.

Capsaicin might do this by prompting apoptosis, a cycle by which unusual cells are dispensed with before they can partition and turn into dangerous cancer.

While creatures concentrate on discoveries that can’t be straightforwardly applied to people, red ringer and red stew peppers are a great approach to conceivably secure your wellbeing while at the same time adding fantastic character, a touch of zest, and a sprinkle of shading to your eating regimen.

Fish

Regular fish utilization has a few medical advantages, remembering a 21% decrease for a cellular breakdown in the lungs hazard, as indicated by one study. However, most analysts concur that more examination is expected to affirm the relationship among’s fish and lower paces of cellular breakdown in the lungs.

Omega-3 unsaturated fats are now demonstrated to assist with ensuring you against coronary illness, hypertension, and stroke, so it’s not unexpectedly suggested you burn-through fish double seven days (when seven days for pregnant ladies). This can assist you with keeping up with your overall wellbeing, which plays into your body’s general capacity to battle the disease.

While omega-3 unsaturated fat enhancements are accessible, the American Heart Association suggests you get these supplements straightforwardly from food sources.

Bottom line

Regardless of whether you’ve effectively been determined to have the disease, it’s not very late to acknowledge these ideas. Further developing your eating routine might assist with easing back the spread of disease or lower the chances that malignant growth will return - something critical to consider considering cellular breakdown in the lungs’ high danger of repeat.

The American Cancer Society offers explicit dietary rules that might assist with forestalling cellular breakdown in the lungs. Research supporting large numbers of these ideas is progressing, however, they essentially give a decent premise to starting to assume responsibility for your wellbeing and forestalling cellular breakdown in the lungs.

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