Carbonated and other soft -drink beverages on bone density and other deleterious effects, replacing milk drinks

Caffeine is a well-known stimulant that is added as an ingredient to various carbonated soft drinks.  Due to its stimulatory and other physiological effects, individuals desire to know the exact amount of caffeine consumed from these beverages

Coca Cola, the world's favorite soft drink  is currently sold in more than 200 countries and in early 2000, the company sold its 10 billionth unit case of Coca-Cola branded products.

Some of the more common national-brand carbonated beverages analyzed in this study with their caffeine contents were Coca-Cola (33.9 mg/12 oz), Diet Coke (46.3 mg/12 oz), Pepsi (38.9 mg/12 oz), Diet Pepsi (36.7 mg/12 oz), Dr Pepper (42.6 mg/12 oz), Diet Dr Pepper (44.1 mg/12 oz), Mountain Dew (54.8 mg/12 oz), and Diet Mountain Dew (55.2 mg/12 oz).  The Wal-Mart store-brand beverages with their caffeine contents were Sam's Cola (12.7 mg/12 oz), Sam's Diet Cola (13.3 mg/12 oz), Dr Thunder (30.6 mg/12 oz), Diet Dr Thunder (29.9 mg/12 oz), and Mountain Lightning (46.5 mg/12 oz

The soft carbonated drinks caused surface softening of enamel (erosion).  In respect to the chemical variables tested, despite not statistically significant, the pH seems to have a moderate value

Enamel demineralization was related to normal use of an orange juice, an apple juice, Pepsi Cola and Diet Pepsi Cola. The amount of calcium released from the enamel into solution was determined ; t he results showed the following degree of enamel demineralization: Pepsi Cola is equivalent to orange juice, greater than apple juice and  greater than Diet Pepsi cola...

Again, It has been found that, materials immersed in 100% carbonated beverages released the highest amount of fluoride, which could be attributable to the erosive effect of the medium.

In the Western world, increased consumption of carbonated soft drinks combined with a decreasing intake of milk may increase the risk of osteoporosis. The trend of replacing milk with carbonated beverages in a group of young men on a low-calcium diet and studies the effects of this replacement on calcium homeostasis and bone turnover had more influence on the erosive potential of these drinks.

Indeed, the high intake of cola with a low-calcium diet induces increased bone turnover compared to a high intake of milk with a low-calcium diet.  Thus, the trend towards a replacement of milk with cola and other soft drinks, results in a low calcium intake and may affect negatively on bone health .   

 Also, Caffeine and caffeine-containing beverages (Pepsi-Cola, Coca Cola, Spur) stimulate gastric secretion in man and provoke a prolonged increase in total acid output by the stomach of patients with "peptic" ulcer.  It is thought that caffeine may contribute to the pathogenesis of "ulcers" in susceptible persons and also interfere with therapeutic management of the conditions.  Even asymptomatic persons responded to a caffeine test like an ulcer patient, developing characteristic signs of distress.