"Have you ever held a heart?" Dr. Oz asked Barbra Streisand seemingly out of nowhere, the way a friend might ask another friend, "What sound or noise do you love?" or "What's your favorite scary movie?"

In an interview with "60 Minutes," former Vice-President Dick Cheney reveals he once feared that terrorists would be able to hack into an electrical device that helped his heart function and kill him with a jolt of electricity.

And here is why:

Twin surgery! Young insurance! Teen weedheads! Statin flu! Cookie dough! Thin tricks! Working moms! ADHD drugs! And the very latest cigarette news from Eastern Europe! It's your Wednesday Health Watch, where we watch your health—sickeningly!

Heart exercise! Male infertility! Blood transfusion! Belly fat! Boomer exercise! Smashing drumsticks! Fidget fitness! UFC games! And the Ultimate Fitness System, revealed! It's your Tuesday Fitness Watch, where we watch fitness—begrudgingly!

Fish labeling! Dog drinking! Disease eradicating! Anorexia theorizing! Contaminated fishing! Radiation sexing! Distant-object spotting! Caffeine surviving! And whatever new thing they say about heart disease today! It's your Friday Science Watch, where we watch science—indiscriminately!

On Valentine's Day, surgeons at the University of California San Diego performed the most romantic procedure possible: They installed a second heart in 36-year-old Tyson Smith's chest, so he could have "two hearts beat as one."

Birth control extortion! Female gay condoms! Plastic beating hearts! Frozen vegetables! Tap dancing! Fiber to live! Greasy teenagers! It's your Tuesday Health Watch, where we watch your health—in what we consider a positive way!

People fossils! Dinosaur fossils! Sexy science! Cheating ladies! Lucky black hearts! Weights losing weight! Faraway planets! Implant perils! Monster alfalfa! And black holes that trip you out! It's your Friday Science Watch, where we watch science—with forgiveness!