Ross H. Greenberg, DO
Location and Office HoursWalden M Holl Jr. MD & Associates LLE
256 Kings Hwy E
Haddonfield, NJ 08033
What type of exercise can I do to stay healthy as I age?
The Rest of Your Life (ROYL) answeredInactive older adults become weak in four areas that are important for staying healthy and independent: endurance, strength, balance and flexibility. Research suggests that you can maintain or at least partially restore these four areas through exercise and physical activity and that doing so improves fitness. You can build endurance by doing aerobic activities, like brisk walking or swimming, that increase your breathing and heart rate. Strength exercises, like lifting weights and using resistance bands, can increase muscle strength. Lower-body strength exercises also will improve your balance. Balance exercises like tai chi can improve your ability to control and maintain your body's position. Good balance is important to help prevent falls and avoid the disability that may result from falling. Stretching can help your body stay flexible and limber, which gives you more freedom of movement for your regular physical activity as well as for your everyday activities.Helpful? 1 person found this helpful.
Are all old people alike?
Discovery Health answered
One commonly held stereotype about senior citizens is that once we turn 60, we turn into part of a ubiquitous army of little blue-haired grannies and grandpas who fumble slowly along with canes, walkers or wheelchairs, unable to feed, bathe or relieve ourselves without help.
The stereotype holds that we all think alike, act alike, crave prune juice, mainline Geritol and drool on ourselves as we wait to die.
But the reality is quite different.
First of all, age affects different people differently, depending, of course, on lifestyle, genetics and economics. Take Jack LaLane, for instance. Even in his 90s, the health nut who became famous on TV showing people how to exercise with chairs to cheesy music can kick your butt.
There are many other stereotype busters. Ever see Raquel Welch lately? She may be a senior citizen, but does she look like a shriveled up husk to you?
Then there are those Tarahumaras. How many of you 20-somethings out there can run one mile, let alone hundreds?
Sure, age does slow us down, both mentally and physically. We tire more easily, get confused more quickly. But check out any golf course in Florida. Even on the hottest of days, you will see spry senior citizens walking around, swatting little white balls into little holes on fast greens.
How does sirtuin work?
Michael Roizen, MD, Internal Medicine, answeredWhen it comes to calorie restriction, the mechanism that slows aging comes in the form of a protein called sirtuin. Sirtuin seems to change the chemistry in your body to help neutralize aging. In animal models, we see that sirtuin is really a magic molecule, because it allows primates to have an even longer life expectancy than Bewitched reruns.
The way sirtuin works is by influencing the way DNA is made. DNA is encased in proteins called histones, which stabilize the structure of the DNA. But when the sirtuin gene is activated (through the starvation stimulus), the resulting increased activity of sirtuin protein compresses the DNA on the histones—and thus slows the way that the chromosomes are reproduced and reduces errors during the process.
However, not everyone's sirtuin protein-manufacturing gene is activated. Researchers have found that calorie restriction helps activate sirtuin. That is, eating fewer calories acts as the light switch that turns on sirtuin. But there are also other ways to activate sirtuin.
Find out more about this book:You: Staying Young: The Owner's Manual for Extending Your Warranty
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