Insomnia and anxiety
Several studies show that lemon balm combined with other calming herbs (such as valerian, hops, and chamomile) helps reduce anxiety and promote sleep. Few studies have examined lemon balm by itself, except for topical use. For example, in one study of people with minor sleep problems, 81% of those who took an herbal combination of valerian and lemon balm reported sleeping much better than those who took a placebo. It is not clear from this and other studies whether lemon balm or valerian (or the combination) is responsible for the result.
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The same is true of several studies for anxiety, which used a combination of herbs to reduce symptoms.
In another double-blind, placebo-controlled study, 18 healthy volunteers received 2 separate single doses of a standardized lemon balm extract (300 mg and 600 mg) or placebo for 7 days. The 600 mg dose of lemon balm increased mood and significantly increased calmness and alertness.
Herpes
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Some studies suggest that topical ointments containing lemon balm may help heal cold sores caused by the herpes simplex virus (HSV). In one study of 116 people with HSV, those who applied lemon balm cream to their lip sores experienced significant improvement in redness and swelling after only 2 days. Other symptoms, such as pain and scabbing, did not improve. Both the people and their doctors reported that lemon balm ointment was highly effective. Another large study involving three German hospitals and one dermatology clinic showed that when lemon balm was used to treat the primary infection of HSV I, not a single recurrence was noted. The cream has also been found to reduce the healing time of both genital and oral herpes. Several animal studies also support the value of topical lemon balm for herpes lesions. And preliminary studies show that lemon balm exhibited a high, concentration-dependent activity against HIV infection.
Other uses
Some evidence suggests that lemon balm, in combination with other herbs, may help treat indigestion. Others reveal that lemon balm oil has a high degree of antibacterial activity. In one study, lemon balm showed adequate activity against Listeria monocytogenes and Staphylococcus auerus. And a few studies have found that lemon balm may help improve cognitive function and decrease agitation in people with Alzheimer disease.
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This post was last modified on December 7, 2024 7:57 am