Grind 15 grams of leaves with 5 black peppercorns into a paste; apply across the thyroid area.

The source correctly notes that the thyroid is a butterfly-shaped gland in the neck and produces hormones including T3 and T4. It distinguishes hypothyroidism from hyperthyroidism. ### Hypothyroidism symptoms listed - Weight gain and dry skin. - Heavy or changed voice. - Lethargy and increased sleep. - Infertility or generalized swelling, as stated by the source. - Heavy menstruation. ### Hyperthyroidism symptoms listed - Weight loss and hand tremor. - Feeling excessively hot or sometimes diarrhoea. - Increased heartbeat. - Irregular or reduced menstruation. ### Remedies given in the source - Stop iodized salt and use only rock salt. - Make coriander-leaf chutney and mix it into lukewarm water without other ingredients. Fresh or dry coriander is described as useful. - It promotes *Thyroid Nashak Churna* and refers to page 100 of *Rogi Swayam Chikitsak*. Safety note: Thyroid disease is diagnosed with laboratory testing and may require hormone replacement or other treatment. Avoiding iodine or using herbs alone may be harmful in some cases.