No, but the citric acid, after time, can create ulcers on the stomach lining; furthermore causing internal bleeding. (Only in extreme cases though)
If they are eating it on their own, and not being forced, I wouldn't imagine they would do more than taste it. Lemons are high in acid, so much more than just a taste could give it diarrhea.
No, although eating too many lemons cannot seriously effect your health it can cause one problem. Eating to many lemons may cause a deficiency in the bladder and all of the hydroformic acids in the lemons may not be filtered out. This may cause a slight discoloration in your urine, often a light blue color. If your urine is a dark purple you may want to consult a doctor.
about 1%
lots
The price of 1 kg of lemons can vary depending on where you are located and the quality of the lemons. On average, you can expect to pay around $2 to $4 for 1 kg of lemons.
The cost of a kilogram of lemons can vary depending on factors such as the season, region, and quality of the lemons. On average, you can expect to pay anywhere from $2 to $4 per kilogram of lemons.
It depends on what variety of lemon it is. Most organic lemons will go for $1.29.
Eating foods with too many acids (lemons, sour candy, etc.) is bad for your teeth and will wear them away over a period of time.
5%
2p
Sour.
9.50