While many assert that they have improved by using some of the above, others have not. Researchers are studying a number of these, but the results are still inconclusive.
अनुसंधायक इनमें से कई उपचारों का अध्ययन कर रहे हैं, लेकिन अब तक निर्णायक परिणाम नहीं मिले हैं ।