Treatment with aroma is one of the methods that have been used for centuries.The use of scents is considered one of the most useful remedies effectively used by medical experts to treat some mental problems. Aromatherapy is often use natural essential oils.

These oils can be absorbed into the body through respiration or skin. Most of the medical centers around the world have applied this therapy for their patients.

Here are the five most popular flavors for treatment that you may not know.

1. Mint scent

Mint is one of the most common scents in daily life. Medical experts said mint essential oil helps to lose weight effectively. According to medical researcher and neurologist Alan Hirsch at the Smell & Taste Treatment Research Foundation, people who regularly use Aromatherapy through the respiration are losing weight faster than normal people, averaged 2kg per month.

Illustration for this, medical experts mentioned, mint essential oil has special effects on certain part of the brain, making you think that you have eaten enough. Thus, you can control the amount of food that you consume easily.

Mint is also used as an effective painkiller. A study in the National Clinical Medical Week in the United Kingdom said that people who often use this oil has pain endurance higher the others. Another study from Germany scientists also determined that peppermint oil help reduce pain equivalent to 1000mg of acetaminophen.

2. Eucalyptus oil scent

Eucalyptus oil was used centuries ago by Australian natives to kill bacteria. It is also used in ointments as an anti-inflammatory and painkiller.

Studies from the Johns Hopkins Hospital have also recorded the effect of this scent in limiting and mitigating respiratory problems such as cough, bronchitis, or flu. The health experts said that this oil also well for the circulatory and respiratory system.

A study by BMC Immunology UK found that eucalyptus oil can also improve the immune system's activities by promoting the development of macrophages and leucocyte cells. When these two components are stimulated, they will protect body against bacteria and microorganisms.

3. Lavender scent

Lavender works to relieve stress and fatigue also giving you deep sleep. A research was published on the Journal of Medicine in Clinical Practices in the United States has shown that lavender works wonderfully in relieving psychological problems such as postpartum depression.

Another research from medical experts at the Leicester University (France) also found that using this flower had the effect of repelling insomnia and reducing wake up in the middle of the night.

In addition, study in 2014 has shown lavender essential oil has a tremendous effect in treating obesity. By controlling glucose levels in the blood, this scent not only helps control weight but also ensures that you do not have any cardiovascular problems. Medical experts also said lavender also has the effect of reducing the risk of cancer and some other chronic diseases.

4. Rosemary scent

Medical experts at Ronald Reagan UCLA Medical Center in California (USA) have discovered rosemary has capable of stimulating the brain to increase awareness and focus significantly. According to research published in the British Journal of Therapeutic Advances in Psychopharmacology, rosemary helps brain works productively and effectively.

Other researches have shown that using a small amount of rosemary oil within 5 minutes, which help reduce stress significantly.

5. Vanilla smell

Vanilla flavor works to remove the elements that cause nervous stress. Results of magnetic resonance imaging at Brigham & Women's Hospital (USA) showed that using vanilla flavor during treatment is more effective than traditional treatment.

American Health Association statistics also show that 83% of people who regularly treatment with vanilla are less psychological diseases than others. In addition, some experts also said that vanilla flavor can improve your mood by hormone endorphin-producing which is created positive feelings of brain.