The following section looks at each of these routes into the public domain more closely. Copyright has expired for all works published in the United States before 1923. In other words, if the work was published in the U.S. before January 1, 1923, you are free to use it in the U.S. without permission.
Allergies. An allergy is a broad category describing any time your immune system reacts differently than a normal personâs immune system would react when exposed to something. Symptoms can range from undetectable to extreme and constant, depending on the specifics of the allergy. Weather can play a huge role in allergies and their symptoms during all four seasons of the year. Some people are triggered by rain, others by dry weather. Heat triggers some and cold triggers others. Each of the four season changes can bring new changes in allergy symptoms:
Allergy symptoms can be categorized as mild, moderate, or severe. Mild Allergy Symptoms. Mild allergy symptoms can include: Rash; Localized itching; Congestion; Mild allergic reactions do not spread to other parts of the body. Moderate Allergy Symptoms. Moderate allergic reactions can include symptoms that spread to other parts of the body, including: Widespread itching; Difficulty breathing; Severe Allergy Symptoms (Anaphylaxis) Anaphylaxis is a rare, life-threatening emergency in which the response to the allergen is sudden and affects the whole body. Allergy symptoms may within minutes progress to more serious symptoms, including: Itching of eyes or face