Students slide on rowing machines and practice core-toning moves during classes that blend cardio, yoga, and resistance workouts

A combination of hydrogen-peroxide gel and a cool LED light gently erases smoking or coffee stains from teeth

Expert aerial instructors help students delve into circus arts using gymnastics, ballet, and Pilates techniques to improve full-body fitness

Gravity-fed, tube-less system flushes out toxins to relieve constipation, gas, bloating, and irritable bowels

Chiropractors and massage therapists check spines and heal sore muscles with hands-on massage strokes

A fusion of resistance, cardio, plyometrics, and nutrition training forges powerful bodies and superior endurance in each 50-minute class

More than 20 weekly sessions; introductory and heated classes available

18-hole, links-style course pays homage to traditional Irish courses with oversize greens and deep pot bunkers

Twice-daily glasses of herbal-detox drink work with breakfast serving of multi-protein drink to flush 5–20 lbs. of toxins in five days

After a one-hour cleaning and exam to identify oral-health issues, the dentist can send patients home with trays and whitening gel