
A healthy diet is one that contains foods from the following groups: fruits, vegetables, dairy, grains, and protein. However, it is important to limit the intake of certain nutrients to maintain good health. These include fat, sodium, and cholesterol, which can have negative effects on your health when consumed in excess. Other nutrients to limit include saturated fat, added sugars, and trans fats. Eating too much saturated fat and sodium, for example, is associated with an increased risk of developing some health conditions, like cardiovascular disease and high blood pressure. Consuming too much added sugar can also make it difficult to meet important nutrient needs while staying within calorie limits. Additionally, limiting the consumption of processed foods, solid fats, and refined grains can be beneficial. For pregnant or breastfeeding women, specific guidelines suggest limiting certain types of fish due to their high methyl mercury content.
| Characteristics | Values |
|---|---|
| Fat | Limit saturated fats and trans fats, but do not cut out all fats as they are essential for energy and cell health. |
| Sodium | Limit sodium intake, especially in table salt and sodium-rich foods like baked goods, potato chips, and processed meats. |
| Sugar | Limit added sugars, especially in processed foods and drinks. Choose fresh fruit and raw vegetables as snacks instead. |
| Cholesterol | Limit consumption of dietary cholesterol to less than 300 mg per day. |
| Alcohol | Drink in moderation, with a limit of one drink per day for women and two drinks per day for men. |
| Calories | Limit overall calorie intake to maintain a healthy weight, balancing energy intake with energy expenditure. |
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What You'll Learn

Sugar-sweetened drinks
Sugar-sweetened beverages (SSBs) are liquids that are sweetened with various forms of added sugars like brown sugar, corn syrup, dextrose, fructose, glucose, high-fructose corn syrup, honey, lactose, maltose, and sucrose. Examples of SSBs include regular soda, fruit drinks, sports drinks, energy drinks, sweetened waters, and coffee and tea beverages with added sugars. These drinks can also include bottled smoothies, which may be marketed as healthy but can be loaded with added sugars. One 12-ounce can of soda can contain up to 9 teaspoons of sugar and 150 calories, with no nutritional value.
To reduce your intake of sugar-sweetened drinks, you can opt for water, which is the preferred way for your body to hydrate and is naturally sugar-free. Carrying a refillable water bottle or keeping a cup at your desk can make water your go-to choice. You can also add slices of your favorite fruits to water for a boost of flavor or try seltzer or sparkling water if you prefer carbonated drinks. When you crave something sweet, instead of reaching for a soda or sweetened coffee, make a homemade smoothie with fruits, vegetables, and low-fat or fat-free milk or yogurt.
Gradually reducing your intake of sugar-sweetened beverages is key. You can slowly incorporate less-sweetened versions into your day, such as mixing half sweetened iced tea with half unsweetened iced tea. Reading nutrition labels and ingredients is important, as some drinks that seem healthy may contain high amounts of added sugars.
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Alcohol
- 1 drink per day for women
- 2 drinks per day for men
These limits are not averages but rather the maximum amount that should be consumed on any given day. It's important to note that drinking less is always better for your health than drinking more. Even moderate drinking may increase your risk of death and other alcohol-related harms compared to not drinking at all.
Binge drinking, which is defined as 4 or more drinks for women and 5 or more drinks for men within about 2 hours, can bring a person's blood alcohol concentration to 0.08% or more. This can lead to a loss of inhibitions, slurred speech, impaired balance, and an increased risk of accidents and injuries. Heavy drinking includes binge drinking and is defined as:
- 4 or more drinks on any day or 8 or more per week for women
- 5 or more drinks on any day or 15 or more per week for men
It's important to note that drinking alcohol is a personal choice, and some individuals should avoid it altogether. This includes people who are:
- Under the legal drinking age
- Pregnant or planning to become pregnant
- Managing health conditions that can be worsened by alcohol
- Taking medications that interact with alcohol
- Recovering from alcohol use disorder
If you choose to drink alcohol, it's important to do so in moderation and be mindful of your consumption. The standard drink or alcoholic drink equivalent in the United States is defined as any drink containing 14 grams, or about 0.6 fluid ounces, of "pure" ethanol. This amount is found in:
- 12 ounces of regular beer (5% alcohol by volume)
- 5 ounces of table wine (12% alcohol by volume)
- 1.5 ounces of 80-proof distilled spirits (40% alcohol by volume)
Drinks often contain more alcohol than people think, and it's easy to underestimate consumption. It's also important to note that the processing of alcohol differs between individuals. Factors such as age, weight, height, sex, and health conditions can influence how the body handles alcohol. Always be mindful of your consumption, and if you are concerned about your drinking, seek help from a healthcare professional.
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Potato chips
First and foremost, potato chips are highly processed and energy-dense. Processing removes nutrients like potassium and adds sodium, decreasing the overall nutrient density of the product. A medium-sized plain baked potato is rich in vitamin C, potassium, and dietary fibre, with around 110 calories. In contrast, a serving of potato chips can contain 150-200 calories with significantly fewer nutrients. The high calorie content of potato chips, coupled with their low nutritional value, can contribute to weight gain. A study of over 120,000 participants found that processed potato chips were the second-biggest contributor to weight gain, with each serving leading to an average weight gain of 1.7 pounds (0.77 kg).
The method of preparation for potato chips also raises health concerns. Frying potatoes in oil significantly increases their fat content and the presence of trans fats, which are associated with negative health effects. Frying also increases the formation of potentially harmful chemicals like acrylamides. Acrylamides are industrial chemicals, and while the amount in food is generally low, long-term exposure may be harmful. Animal studies suggest that acrylamides may increase the risk of cancer and cause nervous system damage.
In addition to the health concerns, potato chips also offer little in the way of nutritional value. Whole, unprocessed foods like plain baked potatoes are generally more nutritious than processed snacks. Baked potatoes retain more nutrients and provide essential vitamins and minerals with relatively few calories. They are also a good source of dietary fibre, especially if the skin is eaten.
To summarise, potato chips are energy-dense and provide a significant number of calories with minimal nutritional benefits. Their preparation involves frying, which increases the presence of unhealthy fats and potentially harmful chemicals. As a result, regular consumption of potato chips may contribute to weight gain and have negative health consequences. Therefore, it is advisable to limit their consumption and opt for more nutrient-dense alternatives like plain baked potatoes.
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Granola bars
The nutritional value of granola bars varies depending on the brand and ingredients used. Some granola bars may contain up to 15 grams of sugar per serving, which is mostly from added sugars. This is equivalent to nearly 4 teaspoons of sugar. According to the Dietary Guidelines for Americans, it is recommended to limit daily calories from added sugar to 10% of total calories, or about 12 teaspoons per day for a 2,000-calorie diet. Excessive added sugar consumption has been linked to an increased risk of chronic conditions such as diabetes, obesity, and heart disease.
To make healthier choices when it comes to granola bars, it is important to read the ingredient list and nutrition information. Look for bars with whole grains, nuts, seeds, or fruit listed as the first few ingredients. Choose bars with natural sweeteners like fruit, which can reduce added sugar intake and increase fibre content. Aim for bars with at least 2 to 3 grams of fibre to keep you feeling full until your next meal. Limit highly processed granola bars that contain artificial sweeteners, sugar alcohols, preservatives, and artificial flavours.
If you want more control over the ingredients and their nutritional value, you can also make your own granola bars at home. Homemade granola bars allow you to include a variety of healthy ingredients, such as nut butter, oats, nuts, dried fruit, and natural sweeteners. This way, you can create a delicious and nutritious snack that fits your specific dietary needs and preferences.
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Red meat
When including red meat in your diet, it is important to be mindful of the portion size and frequency. As a general guideline, it is recommended to consume red meat in moderation, which typically translates to a few times a month or less. This allows you to still enjoy the nutritional benefits of red meat while minimizing the negative health impacts associated with excessive consumption.
To maintain a balanced diet, it is crucial to vary your protein sources. In addition to red meat, include other options such as poultry, fish, eggs, legumes, nuts, and soy products. By diversifying your protein sources, you can ensure that you're getting a range of essential amino acids and nutrients that support overall health.
When choosing red meat, opt for leaner cuts to reduce your saturated fat intake. Look for cuts with the words "loin" or "round" in their names, as these tend to be lower in fat. Additionally, trimming any visible fat from the meat before cooking can further reduce the amount of saturated fat in your meal.
It is worth noting that the recommendations for red meat consumption may vary depending on individual health needs and dietary restrictions. For personalized advice, it is always best to consult with a healthcare professional or registered dietitian who can provide guidance tailored to your specific circumstances.
In summary, while red meat can be a nutritious part of a balanced diet, it is important to limit your consumption due to its high saturated fat and cholesterol content. By moderating your intake, choosing leaner cuts, and diversifying your protein sources, you can enjoy red meat as part of a healthy and well-rounded diet.
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Frequently asked questions
There are several nutrients that should be consumed in moderation to maintain good health. These include:
- Fat
- Sodium
- Sugar
- Cholesterol
To limit your sugar intake, cut down on sugary snacks, candies, and sugar-sweetened beverages. Eat fresh fruit and raw vegetables as snacks instead. When buying canned, frozen, or dried fruit, choose options with the lowest added sugars.
To reduce your fat intake, opt for low-fat or fat-free dairy products, choose leaner cuts of meat, and remove the skin from chicken. You can also use oils instead of solid fats like butter or lard, and read nutrition labels to track your saturated fat consumption.











































