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The Sweet Truth – The Impact of Sugar on Health

October 9, 2024

The Sweet Truth – The Impact of Sugar on Health - featured image

Sugar has become a staple in many of our diets, often without us even realising it. From sugary snacks and drinks to hidden sugars in sauces, bread, and processed foods, it’s easy to overconsume sugar. At Busamed we have seen firsthand the detrimental effects that excessive sugar intake can have on overall health. Understanding the impact of sugar on the body and learning how to make healthier choices is essential for maintaining a balanced and vibrant life.

How Sugar Affects the Body

When we consume sugar, it is quickly absorbed into the bloodstream, leading to a spike in blood sugar levels. This triggers the pancreas to release insulin, a hormone that helps move sugar into our cells for energy. While sugar provides a quick burst of energy, frequent spikes and crashes can wreak havoc on the body, leading to a range of health problems.

Weight gain and obesity

Sugary foods and drinks are often high in calories but low in essential nutrients. Excessive calorie intake can lead to weight gain, and over time, this can contribute to obesity. The consumption of sugar-sweetened beverages, such as cooldrinks and energy drinks, is particularly problematic, as they provide little satiety, making it easy to overconsume.

Increased risk of heart disease

High sugar consumption has been linked to increased levels of triglycerides, a type of fat in the blood, which raises the risk of heart disease. Furthermore, a diet high in sugar can increase inflammation and contribute to high blood pressure, both of which are risk factors for cardiovascular concerns.

Type 2 diabetes

Consistently high sugar intake can lead to insulin resistance, where the body becomes less effective at managing blood sugar levels. Over time, this increases the risk of developing type 2 diabetes. Studies have shown that sugary diets are strongly linked to the rising prevalence of diabetes in South Africa and globally.

Tooth decay

Sugar is a major cause of tooth decay, as it fuels harmful bacteria in the mouth that produce acids, which then erode tooth enamel. This can lead to cavities, gum disease, and other dental issues if oral hygiene is not maintained.

Mood and mental health

Sugar can also affect your mental well-being. While consuming sugar can provide a temporary boost in energy and mood, frequent consumption has been linked to mood swings, anxiety, and even an increased risk of depression. The “sugar crash” that follows a sugar high can leave you feeling fatigued and irritable.

How to Reduce Sugar in Your Diet

Reducing sugar doesn’t mean eliminating all sweetness from your life. Instead, it’s about making mindful choices and replacing unhealthy habits with more nutritious ones. Here are some tips to help you manage your sugar intake and maintain a healthy lifestyle:

Read labels carefully

Sugar is often hidden in foods you wouldn’t expect, such as salad dressings, pasta sauces, and even bread. Learn to read nutrition labels and look for hidden sugars, which may be listed under names like sucrose, high fructose corn syrup, dextrose, or maltose.

Choose whole foods

Processed foods are a major source of added sugars. Opt for whole, unprocessed foods like fruits, vegetables, lean proteins, and whole grains. These foods are naturally low in sugar and packed with essential nutrients that support overall health.

Limit sugary beverages

Sugary drinks (think Coke and Monster) are one of the biggest culprits of added sugar in the diet. Replace cooldrinks, energy drinks, and sweetened teas and coffees with water, sparkling water, or herbal teas. If you crave sweetness, try adding slices of fruit or a splash of lemon to your water.

Swap sugary snacks for healthier options

Instead of reaching for biscuits, sweets and chocolates, or pastries, choose snacks that provide a balance of nutrients. Nuts, seeds, yoghurt, fresh fruit, and vegetables with hummus or cottage cheese are excellent choices that keep you satisfied without the sugar spike.

Moderate dessert intake

It’s okay to enjoy desserts occasionally, but moderation is key. Instead of having dessert daily, try to limit it to once or twice a week. When you do indulge, go for smaller portions or healthier alternatives, such as dark chocolate or homemade fruit-based treats.

Cook at home

Preparing your meals at home gives you control over the ingredients, allowing you to reduce added sugars. Experiment with herbs and spices to add flavour without relying on sugar, and opt for natural sweeteners like honey, in moderation.

Maintaining a healthy lifestyle doesn’t mean cutting out all sugar, it’s about finding balance. Natural sugars found in fruits and dairy products are part of a nutritious diet, while added sugars should be limited. The World Health Organisation (WHO) recommends that added sugars make up no more than 10% of your total daily calorie intake, which is about 50 grams (12 teaspoons) for someone consuming 2 000 calories a day.

To achieve this balance, focus on nutrient-dense, whole foods and limit processed options. By making gradual changes, such as swapping sugary drinks for water or choosing a piece of fruit instead of a chocolate bar, you can significantly reduce your sugar intake and support better long-term health.

Dr Malekhetho Mohale

Dr Malekhetho Mohale

Specialist Physician
Busamed Harrismith Private Hospital