About Negative Ions:

• An ion is an atom, or a molecule, which has gained or lost one or more electrons;
• Negative ions are made when sunlight, radiation, air, or water break down oxygen.
• It is believed that negative ions create positive vibes and uplift the mood. These ions also have an impact on pollutants by making them negatively charged and get them collected on surfaces.

About Negative Ion Technology

• Negative ion technology embeds negative ions in personal products and is currently being advertised as a means to maintain health, balance energy, and improve well-being;
• This technology is used in certain silicone wristbands, quantum or scalar-energy pendants, sleep masks, jewellery among others;
• The minerals that produce these negative ions often include naturally occurring radioactive substances such as uranium and thorium.

Source: ForumIAS