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Osteoporosis Drug Fosamax is Bad for Your Heart

May 20, 2008

Women who have used Fosamax are nearly twice as likely to develop atrial fibrillation (quivering of your heart’s upper chambers), which is the most common kind of chronically irregular heartbeat.

Fosamax is the most widely used drug treatment for the bone-thinning disease osteoporosis. The FDA approved the first generic version (called alendronate) in February.

The drug was associated with an 86 percent higher risk of atrial fibrillation compared with never having used the drug. Atrial fibrillation can cause palpitations, fainting, fatigue, or congestive heart failure. They can also lead to embolic strokes.

Osteoporosis affects one in three women and one in five men over the age of 50, largely because many are clueless about what they can do to prevent this common problem.

All in all, it affects more than 25 million Americans. Additionally, close to 1.2 million bone fractures in the United States each year are related to osteoporosis.

Drugs like Fosamax, however, are not the solution.

What’s Wrong With Fosamax?

Fosamax is in the same chemical class (phosphonate) as the cleaners used to remove soap scum from your bath tub.

This is a metabolic poison that actually kills your osteoclasts. Osteoclasts are cells that break down your bone so your osteoblasts can rebuild them.

In normal healthy bone, this breakdown and rebuilding of bone are interconnected processes involved in the normal rejuvenation of bone. In osteoporosis, the net rate of bone resorption (breakdown) exceeds the rate of bone formation, which results in a decrease in bone mass.

It is quite clear that if you kill your osteoclasts your bone will get denser. However, what they don’t tell you is that eventually your bone actually becomes weaker even though it is denser.


Because bone is a dynamic structure that requires the removal of unhealthy bone and REPLACEMENT with new bone to stay strong. Fosamax does NOT build any new bone. It only kills the cells that break bone down, so your bone is not undergoing its natural regenerative process.

It’s tragic that drugs like Fosamax are allowed to continue being touted as the answer to osteoporosis, when it has so many detrimental side effects.

The fact that it can nearly double your risk of developing atrial fibrillation was, according to the researchers, a “completely unexpected and previously unrecognized adverse effect” of the drug. But many other adverse effects have already been discovered, including:

I warned about the dangers of Fosamax an entire decade ago, and it STILL makes no sense to take an osteoporosis drug that can literally rot out your jaw bone, give you ulcers, damage your liver, and cause heart failure or stroke. I’m sure Merck’s hope is that you WILL be blind enough not to see the folly.

How to Strengthen Your Bones Safely and Naturally

These simple guidelines can help you maintain, or increase your bone strength safely and naturally, without the use of drugs that might cause you even further harm:

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