This is the 138th most frequent Hindi word.
असर
Effect; impact; influence.
The word 'असर' is used here to mean 'impact' or 'influence' in a positive manner.
उसकी सफलता का दूसरों पर अच्छा असर पड़ा।
His success had a good impact on others.
The word 'असर' is used here to refer to the 'effect' due to an external factor, in this case, changing weather.
मौसम के बदलने का असर हमारी सेहत पर पड़ता है।
The changing weather affects our health.
In this sentence, 'असर' represents the 'effectiveness' or 'potency' of the medication.