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SAN DIEGO (KGTV) -- With temperatures expected to soar into the 80s and 90s along San Diego's coast this weekend, lifeguards say they'll be extra vigilant at beaches and bays."We still want people to come and enjoy the beach," said San Diego Lifeguards Lt. Rich Stropky. "But come talk to us first; We will describe the do's and don'ts and any safety issues."In addition to the usual rip currents and stingrays, lifeguards say people need to be careful about over-exertion and heat-related illness like heat stroke or dehydration.Study: Longer and more frequent heatwaves expected for Southern California"Especially if you're at a beach like Torrey Pines, where you have to hike in or hike out," said Stropky. "So, bring lots of water. Hydrate often, not just when you're thirsty. And then stay cool, get some shade and make sure that sunscreen's on."Lifeguards also say they expect big crowds, which means swimmers and boaters will have to share the water.Tragedy struck last weekend when a Jet Ski and boat collided, killing one person. Stropky said everyone needs to have a heightened sense of awareness and keep their head on a swivel."It's very very dangerous," he said. "We've had several accidents. There's no reason for these things to be happening, except for lack of awareness."RELATED: Stretch of scorching heat begins in San Diego CountyAt boat and Jet Ski rental companies, like Action Sport Rentals on Mission Bay, staff are putting extra emphasis on safety as they send people onto the water.Action Sport Rental has people fill out safety forms, watch a video produced by the San Diego Police Department, and go through one-on-one safety training before they get on the boat."Most of the time, for people out on the bay, it's very hectic," said Action Sports Rentals Manager Alexes Pelzer. "Just make sure to learn the rules of the bay and look out for things floating in the water."STAYING COOL: San Diego County opens cool zones amid heat waveAnd while the air temperature could be too hot, Stropky warns the water temperature is still very cold. Measurements this week have been in the low to mid-60s, and he said anyone who has a wet suit should wear it in the water. 2194

SAN DIEGO (KGTV) - Tucked within City Heights are natural wonders along a winding system of trails and walkways.But many of those scenes of nature go unnoticed. Not by intention, though.Justin Boone, owner of Burly and the Bean, noticed visitors coming into his coffee shop looking for a way to connect to the nearby canyons and beyond.RELATED: Mariachi dances above Interstate 5 in San DiegoThe trend got Boone thinking. So he began leading hikes once a week through the canyons for the outdoorsy, java-hungry customers, and anyone in between."I decided to do a user-friendly map and started doing the canyon hikes," Boone told 10News anchor Ariel Wesler. Wesler and 10News Chief Photographer Steve Reusch joined Boone on a hike for a look at how he's bringing the local community together. 824

SAN DIEGO (KGTV) - UC San Diego School of Medicine researchers believe they have discovered a way to reduce what they describe as health risks associated with red meat. A study published Monday in the journal Nature Microbiology considers whether bacterial enzymes could be used to clear from our tissues a carbohydrate created when humans eat red meat. The carbohydrate, known as Neu5Gc, builds up as we eat red meat, researchers say. They suggest our immune systems treat Neu5Gc as a foreign invader and generate antibodies against it, leading to chronic inflammation and other diseases. A team led by UC San Diego professor of pediatrics and bioengineering Karsten Zengler, Ph.D., believes bacterial enzymes could remove Neu5Gc from red meat before people eat it. “It’s our hope that this approach could be used as a sort of probiotic or prebiotic to help reduce inflammation and the risk of inflammatory diseases - without giving up steak,” said Zengler. The researchers bought steak and pork sausage from a grocery store and rubbed it with a lab-made bacterial enzyme. They found that “sure enough, most of the Neu5Gc came right off,” according to UC San Diego officials. Zengler and his team are working to optimize the enzyme to make sure it removes Neu5Gc and not similar carbohydrates. The group will also explore mass production possibilities and the potential for preventing inflammation and inflammatory diseases.The study was funded by the National Institutes of Health, National Science Foundation, UC San Diego Chancellor’s Research Excellence Scholarship, and Science Without Borders, officials said. 1624

SAN DIEGO (KGTV) -- Two San Diego beaches have made TripAdvisor’s list of top 25 beaches in 2018. Pacific Beach came in at number 20 on the list followed by La Jolla Shores Park at 22.62 percent of people who rated Pacific Beach on the site rated it as excellent while 64 percent of people rated La Jolla Shores as excellent.RELATED: AAA's top rated restaurants, hotels in San Diego CountyThe beach at the top of this year’s list is Clearwater Beach in Florida. Check out TripAdvisor's list of top ten beaches in the U.S.: 550

SAN DIEGO (KGTV) - You’ve heard of tiny houses, but what do you know about micro-apartments? There are significant efforts being made to build new micro-housing units in San Diego. 193

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