Even so, Northern Lights is a highly useful medical strain, effective at treating anxiety, pain, and insomnia, as well as lack of appetite. Cottonmouth is common, as are red eyes, while other negative effects are much more limited. Northern Lights is an Indica dominant strain. This powerful strain is known to make the body feel numb and instantly put users on "lazy mode". In addition to this feeling, individuals often feel a sense of well-being and happiness, which can certainly alleviate symptoms of anxiety. Northern Lights is another very popular strain. This is considered one of the best marijuana strains for pain management and relief. The indica-dominant strain has won several awards over the years for its ability to help medical marijuana users treat various ailments. The strain has an intense and cerebral effect that makes you feel euphoric.