Many people like to drink coffee, especially in the morning. This refreshing drink has many health benefits, but only when consumed in moderation. Researchers at the University of South Australia have shown that excessive caffeine consumption can be harmful because it is associated with an increased risk of osteoporosis (a disease that reduces bone strength and significantly increases the risk of fractures).
The study participants were divided into two groups: the first consumed large doses of caffeine (800 milligrams over six hours), and the second chewing gum received a placebo. Subjects from both groups then underwent urine tests so that scientists could check their calcium levels.
The results of their work, published in the British Journal of Clinical Pharmacology, showed that high doses of caffeine more than double the amount of calcium lost in the urine.
While coffee has its advantages, it’s essential to recognize its disadvantages as well. Our study found that people who consume 800 milligrams of caffeine during a typical workday increased their urinary calcium levels by 77%. This creates a potential calcium deficiency that can affect the development of osteoporosis and bone health,- says Dr Hayley Schultz, one of the authors of the study.
Scientists advise coffee lovers to drink no more than 200 milligrams of the drink a day, equivalent to about two to three cups of the drink.