Many residents of southern and central Florida do not realize they may have an invasive species right in their own backyard. The cane toad is a native of Central and South America and was introduced to Florida as a means to control white grubs in cane fields.
1 Breathing difficulties: Shortness of breath, wheezing or noisy breathing (called stridor) may all be signs of lung cancer.  Loss of appetite: Many cancers cause changes in appetite, which may lead to unintended weight loss.
Wheezing results from a narrowing of the airways and typically indicates some difficulty breathing.The narrowing of the airways can be caused by inflammation from asthma, an infection, an allergic reaction, or by a physical obstruction, such as a tumor or a foreign object that's been inhaled.The most common cause of recurrent wheezing is asthma. Possible causes of wheezing include: 1  Allergies.he narrowing of the airways can be caused by inflammation from asthma, an infection, an allergic reaction, or by a physical obstruction, such as a tumor or a foreign object that's been inhaled. The most common cause of recurrent wheezing is asthma.