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02 Jul 2013

Dehydration

As we enter to hot days of summer, it is even more important to be aware of your fluid intake.  We live in a place that gives us access to some of the best terrain for surfing, mountain biking, trail running, etc. Exercising in the heat increases the risk of dehydration and we need to be aware of this as we play in this amazing terrain.  Remember when the only guideline for staying hydrated during exercise was to drink–and drink often? And plain water took the podium as the perfect sports drink? Thanks to new insights on how our bodies process fluids and other nutrients while we’re working up a sweat, the conventional wisdom on when and what to drink is evolving. And although the rules may have changed, the objective remains the same: improved performance and optimal health.

Here’s a look at the old and new views on hydration.

Old: Drink ahead of your thirst.

New: Drink according to your thirst.

For years, sports nutrition experts advised athletes to drink “ahead of thirst,” that is, to drink before getting thirsty and more frequently than what thirst dictated during exercise. Experts warned that by the time you feel thirsty, you’ve already become dehydrated. However, recent studies show that being in this state of slight dehydration has no negative impact on performance or health.

For example, in a study from the Sports Science Institute of South Africa, runners did three two-hour workouts while drinking a sports drink at three different rates: by thirst (roughly 13 oz. per hour), at a moderate rate (about four oz. every 15 to 20 minutes), and at a high rate (about 10 oz. every 15 to 20 minutes).

The study found no significant differences in core body temperature (rising body temperature hastens dehydration) or finishing times among the three trials. However, during the high-rate trial two of the eight runners suffered severe stomach distress and couldn’t finish the workout, suggesting that drinking too much too often can cause problems.

“The idea that thirst comes too late is a marketing ploy of the sports-drink industry,” says Tim Noakes, M.D., a professor of sport and exercise science at the University of Cape Town, South Africa. While thirst is not a perfect indicator of hydration status, it does appear to be a good indicator of the optimal drinking rate during exercise, according to Noakes. “The answer is just drink as your thirst dictates.”

Old: Aim to completely prevent dehydration.

New: Aim to slow dehydration.

You’ve probably been told to drink enough fluid during exercise to completely make up for what you lose through sweat. In other words, the goal is to weigh the same before and after your workout. But the latest research has revealed three problems with this advice.

First, when athletes drink according to thirst, they usually replace only 60 to 70 percent of the fluid they lose, but studies have shown that this state of slight dehydration does not harm performance or health.

Second, the recommendation to drink enough fluid to prevent weight-loss is based on the false assumption that all the weight lost is from body fluid evaporating as sweat. However, recent studies show that a significant amount (as much as 60 percent) is actually due to the loss of water stored with fat and carbohydrate molecules, which is released from the muscles when these stores are converted to energy. Although it contributes to sweat and weight loss during exercise, this kind of fluid loss has no dehydrating effect because it doesn’t reduce blood volume.

Third, the problem with drinking to completely prevent dehydration is that it tends to dilute the concentration of sodium and other electrolytes in the blood, especially during prolonged exercise of more than two hours. Electrolytes are dissolved minerals that regulate your body’s fluids, helping create the electrical impulses essential to physical activity. When you sweat, you release more sodium than any other electrolyte. Since even the most electrolyte-packed sports drink has a lower sodium concentration than sweat, when you replace sweat with a sports drink you essentially water down your blood. In extreme cases, blood sodium dilution leads to Hyponatremia, a potentially fatal condition where fluid balance is thrown off to the point where cells literally become waterlogged, causing the brain to swell.

Therefore, instead of drinking to completely replace the fluid you sweat out during exercise, aim for keeping thirst at bay. Respond to your thirst right away with small amounts of sports drink, but don’t allow your thirst to build to the point that you’re forced to guzzle down a full bottle at one time. Taking a few sips about every 10 to 12 minutes will help you stay hydrated and avoid stomach upset.

Yours in Health,
Cody
Protocol Supplements

13 Dec 2012

Let Nature Work for You

Since the first greenery sprouted, Mother Nature nurtured forests, fields and flowers quite nicely without the artificial “help” provided by fertilizers, herbicides and pesticides. Today, homeowners and avid gardeners are re-discovering the joys of cultivating lush landscapes, thriving gardens and robust plants in harmony with nature with organic composting and natural pest control. Reducing and eliminating artificial applications in favor of nature’s way is a gift that keeps on giving by making residential and commercial landscapes safe for people and pets and protecting precious resources from runoff contamination.

Organic Composting

In woodlands, wetlands and nature preserves, dead vegetation falls to the ground and degrades, and the nutrients return to the environment to nourish life in a perfectly balanced cycle. Organic composting – returning biodegradable materials to the earth – puts this natural cycle to work in an environmentally friendly way that any gardener can use.

Leaves, straw, dead flowers and shredded newspaper are carbon rich materials, while garden trimmings, grass clippings, fruit rinds and vegetable peels are sources of nitrogen. All these “discards” that usually make their way into the landfill or waste system can be collected and “worked” into a safe, high-quality soil and source of nutrients.

A starter compost pile can be as small as a three-by-three patch in an obscure corner of the yard. Spread a layer of the coarse carbon-rich materials, then add a layer of the nitrogen-rich vegetation. Top with a thin layer of soil and moisten the collection. Keep repeating the layering over time until the compost heap is about three feet high. Every two weeks or so, “work” the compost by turning it, moving the center material toward the edges and the outer vegetation toward the center, then moisten again. The waste will degrade into a sweet, black, nutrient-rich soil. Naturally.

Avid gardeners with large landscapes may choose to use compost bins that come in a range of sizes, many with mechanisms to make turning the compost a quick and easy task.

“Bugging Out”

Nature’s natural protections, which include her own system of pest control, have been compromised. In an effort to create the perfect gardens and landscapes, many lawn services and home gardeners have assaulted every insect with regularly-scheduled pesticide applications that kill almost everything that flies, creeps or crawls.

Indiscriminate and broad-spectrum spraying destroys the good bugs along with the bad ones, kills butterfly caterpillars, robs birds of food sources, and puts people and pets at risk. Pesticides along with herbicides (which kill weeds and unwanted “intruders”) are among the most toxic contaminants to water supplies, bays, estuaries, wetlands and preserves. Not a pretty picture. But there ARE alternatives that are environmentally friendly – reducing pesticide applications to an as-needed basis and protecting good insects that survive by eating many of the bad ones that damage your gardens, lawns and trees.

Lists of beneficial insects are available at garden outlets, nurseries, nature centers and libraries. Here are a few examples of ones that will help you eliminate garden pests while making a priceless contribution to the environment.

Ladybugs and ladybird beetles

Small, oval and usually brightly colored, these natural wonders feed on aphids (a nemesis for roses and other garden treasures), scale (which causes black spots on leaves) and mealybugs (sap suckers that can weaken and kill plants and destroy leaves).

Praying mantids

These green beauties on stick legs look like they are in a praying pose, hence the name. They are voracious eaters and feed on bugs (and, unfortunately, even each other). They lay eggs on twigs and in thick grasses, which are destroyed by pesticides.

Dragonflies

Large and sometimes colorful, these wonders of nature are perpetually on the fly. Their restaurant is mid-air – they catch and consume other flying insects including pesky mosquitoes and flies.

My Botanica is a premier source of environmentally sensitive pest control products. Our team of professionals welcomes the opportunity to answer your questions to help you enjoy nature-friendly gardens and choose the best products for your individual needs. Please call toll free 1-888-722-4308.