This can occur because of decreased dietary variety. Greatly limiting the number of foods that people are allowed to eat reduces their food and caloric intake. But a reduction in variety most often leads to boredom and cravings over the long run. One recent study showed that a high-protein meal leads to a greater tendency towards binging later in the day on foods that are high in sugar and fat. Reduced Athletic Performance.
Athletic performance is reduced on a low-CHO diet.
Since the 1930's it has been known that a high-CHO diet can enhance endurance during strenuous athletic events. Mountain climbers and skiers should be warned that a ketogenic diet greatly increases the risk of mountain sickness. Rising Blood Pressure with Age. Blood pressure will likely increase with age on a typical low-CHO diet. This diet was shown to lower blood pressure, most likely due to its higher content of key minerals such as potassium, calcium, and magnesium.