15 foods you should never eat after 40

You probably don’t consider soup an unhealthy food, especially since it’s so easy to pop open a can for lunch or dinner. But the canned stuff tends to contain tonnes of sodium, and research has shown that older people aren’t able to filter out excess sodium as well as when they were younger. “High levels of sodium in the diet can elevate blood pressure, and can also increase the risk of osteoporosis,” says dietitian Erin Palinski-Wade. Plus, “as we age, we are also more susceptible to water retention, so reducing sodium can help to reduce unwanted bloat,” Palinski-Wade says. She suggests making your own soups and freezing them in individual portions for easy defrosting, or at least selecting low-sodium canned options.

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It’s time to say goodbye to those footy night franks – as well as other highly processed meats like bacon and salami. “Processed meats are high in sodium, saturated fats, and nitrate [a preservative], all of which may have a negative impact on health,” Palinski-Wade says. High intake of processed meats has been linked with a greater chance of developing heart disease, diabetes and stomach cancer – and we already have an increased risk of those diseases as we age. “If you do select processed meats, opt for ones made without nitrates and choose lower fat, lower sodium varieties when possible,” she says.

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Unfortunately, swapping out that hot dog for fried or barbequed meat won’t do you much good. “Cooking meat at very high temperatures can increase the levels of HCAs [chemicals called heterocyclic amines] in the protein, which can be carcinogenic,” Palinski-Wade says. Some studies (although not all) have linked high consumption of fried or barbequed meat to colorectal, pancreatic and prostate cancer. Even though research is ongoing, it’s best to err on the side of caution when it comes to increasing your risk of the cancers that tend to strike older people. “Limit to one or fewer servings per week, and marinate your meat before grilling to help reduce the production of these compounds,” Palinski-Wade says.

We all want that little treat at the end of the day, but unfortunately, settling in with a pack of biscuits might not be the way to do it. “Sugar in any form causes multiple changes, from our cellular membranes and arteries to hormones, immune system, gut health, and even our microbiome [the good bacteria in our gut and on our skin],” says dermatologist, Dr Whitney Bowe. In addition to spiking insulin and inflammation, too much sugar can cause our skin to age faster through the process of glycation. “Glycation is the biochemical term for the bonding of sugar molecules to proteins, fats, and amino acids, which is a prominent feature of ageing,” Dr Bowe says. “Researchers have linked advanced glycation end products (AGEs) to hardened arteries, tangled nerves, wrinkles, and multiple disease processes.” Instead of processed sweets, reach for whole fruit.

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You probably know soft drink is bad for you, but you might mistakenly believe sports drinks are healthy – they’re not, because they contain a lot of sugar as well. “Sugary beverages are a source of empty kilojoules and contribute a large amount of added sugar to the diet,” Palinski-Wade says. “Simple sugars not only increase weight gain, but also accelerate ageing, increase inflammation, and have a negative impact on memory and learning.” Research has shown that the average adult does not need sports drinks, even when exercising – water will do just fine.

If you shouldn’t have sugar, should you try snacks labelled ‘sugar-free’ instead? Not quite. “Sugar-free snacks often replace sugars with artificial ingredients or added fats,” Palinski-Wade says. Although she says some naturally sugar-free and ‘no sugar added’ snacks can have health benefits – for instance, dried prunes contain no added sugar and can benefit GI health and bones – read the labels on processed foods carefully. “Be on the lookout for foods that add large amounts of saturated or trans fat, excess sodium, or additional refined flours to replace added sugars, as these additives can have an equally negative impact on health,” Palinski-Wade says.

Trans fat to be banned from all foods by 2023, read on to learn more.

You may think avoiding dairy may benefit your health, but for older women, the calcium in dairy products helps strengthen bones to prevent osteoporosis, as approaching menopause causes loss of bone mass. Drinking a replacement ‘milk’ may rob you of that protection. If you do choose an alternative, “make sure to choose a variety that contains fortified calcium and vitamin D to promote healthy bones,” Palinski-Wade says. “Also, avoid large amounts of added sugars in flavoured almond milk, which can attribute excess kilojoules as well as boost inflammation – and elevate blood sugar and triglyceride levels.”

According to the Australian Government Department of Health, avoiding spicy foods as you begin to enter menopause can help with hot flushes and gastrointestinal reflux, which is also more common in older adults. “Adding spicy foods like hot sauce to your diet is not recommended,” Palinski-Wade says. “Hot sauce can also be high in sodium, which can have a negative impact on blood pressure and bone health.” Instead, she suggests adding chillies, which are rich in capsaicin, a nutrient that can lower blood pressure and raise metabolism, which tends to slow with age.

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Swapping out butter for margarine isn’t the healthy switch you think it might be. “Some brands contain partially hydrogenated oils, which are trans fats,” Palinski-Wade says. “Since even just one to two grams per day of trans fats can have a negative impact on cholesterol and heart health, it’s best to avoid them.” Instead, read labels carefully, or choose plant-based oils instead. Palinski-Wade says fresh avocados are a great substitution for margarine in baking and cooking, and may help reduce intake of kilojoules, saturated fat, sodium and cholesterol.

Although you definitely want to steer clear of saturated and trans fats, don’t cut all fat from your diet, healthy fat (mono- or polyunsaturated) actually reduces age-related health problems, such as heart disease and high cholesterol – as well as diabetes. Plus, ‘low-fat’ foods often make up for the lost fat with sugar. “The body needs some dietary fat in moderation to help with absorption of fat-soluble nutrients like vitamins A, D, K, and E,” Palinski-Wade says. In addition, healthy fats like omega-3 fatty acids may play a role in keeping the ageing brain healthy. “A recent study showed that including one fresh avocado a day, which contains over 75 per cent of its fat as unsaturated ‘good’ fat, may lead to improved cognitive function in healthy older adults due to increased lutein levels in the brain and eye,” Palinski-Wade says.