This archive report was first published on 2 January 2022.
As we welcome a new year, it's essential to revisit the latest findings on diet and nutrition. In 2021, the American Heart Association released new dietary guidelines that shifted the focus from 'good' or 'bad' foods to lifelong changes tailored to individual preferences and cultural practices.
One key takeaway is that patterns in your diet are more important than individual foods. Rather than urging people to skip pasta, for instance, a more effective message might be to eat it in moderation, as part of a traditional Italian meal.
Research in nutritional psychiatry has also highlighted the link between diet and mental health. While comfort foods like ice cream and pizza may seem appealing when we're stressed or depressed, they're unlikely to benefit our mental well-being. Whole foods like vegetables, fruits, fish, and nuts are a better bet.
Another significant finding is that coffee has numerous health benefits, including a reduced risk of Parkinson's disease, heart disease, and certain types of cancer. Moderate coffee consumption has been linked to improved mental health and a lower risk of depression and suicide.
Our microbiome is largely shaped by what we eat, with a diet rich in whole foods supporting the growth of beneficial microbes. On the other hand, a diet high in processed foods can lead to the growth of gut microbes linked to worse cardiovascular and metabolic health.
Highly processed foods may be addictive, with some studies suggesting that they can elicit 'addictive-like' eating behaviors. However, experts caution that these foods do not cause an altered state of mind, a hallmark of addictive substances.
Unsweetened carbonated water is a better choice than soda or fruit juice, but it shouldn't be your main source of water. Seltzer has the potential to be erosive to your teeth, and carbonated beverages can contribute to gas and bloating.
Contrary to popular myth, you don't need eight glasses of water per day. Your individual needs depend on factors like body size, outdoor temperature, and physical activity. For most people, drinking when you're thirsty is the best way to stay hydrated.
Eating fermented foods like yogurt, kimchi, and kombucha may alter the makeup of your gut microbiome and lead to lower levels of body-wide inflammation. These foods have been linked to improved health outcomes and may be a valuable addition to your diet.
Acid reflux is a common health complaint, but research has shown that adhering to a Mediterranean-style diet and regular exercise can help ward off discomfort. This diet emphasizes fruits, vegetables, fish, poultry, and whole grains.
Finally, a study found that flavonoids in plant foods may help curb the frustrating forgetfulness and mild confusion that often accompanies aging. While more research is needed, experts agree that these foods are essential for brain health.
