Side effects may include mild:

A new study finds that radio waves from a cell phone can affect the metabolism of brain cells, though there is no evidence that the effect is harmful. Volkow knew that some MRI scanners produce electrical and magnetic fields powerful enough to cause brain cells to consume more energy, in the form of glucose.

RF radiation has lower energy than some other types of non-ionizing radiation, like visible light and infrared, but it has higher energy than extremely low-frequency (ELF) radiation. If RF radiation is absorbed by the body in large enough amounts, it can produce heat. This can lead to burns and body tissue damage.

• swelling.
• bruising.
• redness.
• tingling.
• soreness.

Below, explore the best skin-tightening devices that will help sculpt and tone your face and body without having to schedule a spa appointment.

• Silk’n Titan Antiaging Skin-Tightening Device.
• NuFace Trinity Advanced Facial Toning Device.
• MLAY RF Skin-tightening Machine.
• LightStim LED Therapy Skin Device.

Ultherapy is the only FDA-cleared, non-invasive procedure that lifts the neck, chin and brow, and improves lines and wrinkles on the upper chest. As we age, collagen breaks down, resulting in loss of skin strength and elasticity. Through time-tested ultrasound technology, Ultherapy helps produce new collagen growth.

Here are six ways you can tighten loose skin.

1. Firming creams. A good choice for a firming cream is one that contains retinoids, says Dr.
2. Supplements. While there’s no magic pill to fix loose skin, certain supplements may be helpful.
3. Exercise.
4. Lose weight.
5. Massage the area.
6. Cosmetic procedures.

The 12 Best Anti-Aging Supplements

1. Curcumin. Curcumin — the main active compound in turmeric — has been shown to possess powerful anti-aging properties, which are attributed to its potent antioxidant potential.
2. EGCG.
3. Collagen.
4. CoQ10.
5. Nicotinamide riboside and nicotinamide mononucleotide.
6. Crocin.

Eating Foods That Brighten and Tighten Your Skin

• • Green Tea – Full of antioxidants and polyphenols which fight free radicals.
• • Turmeric – Powerful anti-inflammatory.
• • Avocado – Healthy fatty acids help to hydrate the skin.
• •
• • Coconut Oil – A medium chain triglyceride that contains high levels of vitamin E, and has antifungal and antibacterial properties.

For people who have lost small to moderate amounts of weight, skin will likely retract on its own eventually and may be helped by natural remedies. However, individuals who have achieved major weight loss may need body-contouring surgery or other medical procedures to tighten or get rid of loose skin.

Here are 10 of the best anti-aging foods to nourish your body for a glow that comes from within.

1. Watercress. The health benefits of watercress don’t disappoint!
2. Red bell pepper. Red bell peppers are loaded with antioxidants which reign supreme when it comes to anti-aging.
3. Papaya.
4. Blueberries.
5. Broccoli.
6. Spinach.
7. Nuts.
8. Avocado.